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2695412861 is a prime number
BaseRepresentation
bin1010000010101000…
…1011110001111101
320221211220011022222
42200222023301331
521010011202421
61123244015125
7123536426351
oct24052136175
96854804288
102695412861
111163543639
126328314a5
1333c56b86b
141b7d9b461
1510b97acab
hexa0a8bc7d

2695412861 has 2 divisors, whose sum is σ = 2695412862. Its totient is φ = 2695412860.

The previous prime is 2695412851. The next prime is 2695412869. The reversal of 2695412861 is 1682145962.

2695412861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2314187236 + 381225625 = 48106^2 + 19525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2695412861 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2695412869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1347706430 + 1347706431.

It is an arithmetic number, because the mean of its divisors is an integer number (1347706431).

Almost surely, 22695412861 is an apocalyptic number.

It is an amenable number.

2695412861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2695412861 is an equidigital number, since it uses as much as digits as its factorization.

2695412861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The square root of 2695412861 is about 51917.3656978087. The cubic root of 2695412861 is about 1391.6876248142.

The spelling of 2695412861 in words is "two billion, six hundred ninety-five million, four hundred twelve thousand, eight hundred sixty-one".