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2809001413 is a prime number
BaseRepresentation
bin1010011101101101…
…1111010111000101
321020202122001112101
42213123133113011
521223101021123
61142422352101
7126416055331
oct24733372705
97222561471
102809001413
111211676379
1266488b631
13359c5c41a
141c90c87c1
15116916aad
hexa76df5c5

2809001413 has 2 divisors, whose sum is σ = 2809001414. Its totient is φ = 2809001412.

The previous prime is 2809001411. The next prime is 2809001467. The reversal of 2809001413 is 3141009082.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2689252164 + 119749249 = 51858^2 + 10943^2 .

It is a cyclic number.

It is not a de Polignac number, because 2809001413 - 21 = 2809001411 is a prime.

Together with 2809001411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2809001411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1404500706 + 1404500707.

It is an arithmetic number, because the mean of its divisors is an integer number (1404500707).

Almost surely, 22809001413 is an apocalyptic number.

It is an amenable number.

2809001413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2809001413 is an equidigital number, since it uses as much as digits as its factorization.

2809001413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2809001413 is about 53000.0133301870. The cubic root of 2809001413 is about 1410.9685033209.

The spelling of 2809001413 in words is "two billion, eight hundred nine million, one thousand, four hundred thirteen".