34774521391 has 2 divisors, whose sum is σ = 34774521392. Its totient is φ = 34774521390.

The previous prime is 34774521367. The next prime is 34774521403. The reversal of 34774521391 is 19312547743.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34774521391 - 2⁵ = 34774521359 is a prime.

It is a super-3 number, since 3×34774521391³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34774521311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17387260695 + 17387260696.

It is an arithmetic number, because the mean of its divisors is an integer number (17387260696).

Almost surely, 2^34774521391 is an apocalyptic number.

34774521391 is a deficient number, since it is larger than the sum of its proper divisors (1).

34774521391 is an equidigital number, since it uses as much as digits as its factorization.

34774521391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 46.

The spelling of 34774521391 in words is "thirty-four billion, seven hundred seventy-four million, five hundred twenty-one thousand, three hundred ninety-one".