34779900251 has 2 divisors, whose sum is σ = 34779900252. Its totient is φ = 34779900250.

The previous prime is 34779900193. The next prime is 34779900257. The reversal of 34779900251 is 15200997743.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34779900251 is a prime.

It is a super-2 number, since 2×34779900251² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34779900196 and 34779900205.

It is not a weakly prime, because it can be changed into another prime (34779900257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17389950125 + 17389950126.

It is an arithmetic number, because the mean of its divisors is an integer number (17389950126).

Almost surely, 2^34779900251 is an apocalyptic number.

34779900251 is a deficient number, since it is larger than the sum of its proper divisors (1).

34779900251 is an equidigital number, since it uses as much as digits as its factorization.

34779900251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 34779900251 in words is "thirty-four billion, seven hundred seventy-nine million, nine hundred thousand, two hundred fifty-one".