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2698542361 is a prime number
BaseRepresentation
bin1010000011011000…
…0111110100011001
320222001210011012101
42200312013310121
521011311323421
61123435043401
7123605142304
oct24066076431
96861704171
102698542361
1111652908a9
126338a0561
133400c6138
141b8573b3b
1510bd98191
hexa0d87d19

2698542361 has 2 divisors, whose sum is σ = 2698542362. Its totient is φ = 2698542360.

The previous prime is 2698542359. The next prime is 2698542377. The reversal of 2698542361 is 1632458962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2543689225 + 154853136 = 50435^2 + 12444^2 .

It is a cyclic number.

It is not a de Polignac number, because 2698542361 - 21 = 2698542359 is a prime.

It is a super-2 number, since 2×26985423612 = 14564261748222908642, which contains 22 as substring.

Together with 2698542359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2698542061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1349271180 + 1349271181.

It is an arithmetic number, because the mean of its divisors is an integer number (1349271181).

Almost surely, 22698542361 is an apocalyptic number.

It is an amenable number.

2698542361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2698542361 is an equidigital number, since it uses as much as digits as its factorization.

2698542361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The square root of 2698542361 is about 51947.4961956782. The cubic root of 2698542361 is about 1392.2260212391.

The spelling of 2698542361 in words is "two billion, six hundred ninety-eight million, five hundred forty-two thousand, three hundred sixty-one".