34615764021 has 16 divisors (see below), whose sum is σ = 48899467584. Its totient is φ = 21706293504.

The previous prime is 34615764011. The next prime is 34615764031. The reversal of 34615764021 is 12046751643.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (34615764011) and next prime (34615764031).

It is not a de Polignac number, because 34615764021 - 2⁷ = 34615763893 is a prime.

It is a super-2 number, since 2×34615764021² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34615764011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125610 + ... + 291563.

It is an arithmetic number, because the mean of its divisors is an integer number (3056216724).

Almost surely, 2^34615764021 is an apocalyptic number.

It is an amenable number.

34615764021 is a deficient number, since it is larger than the sum of its proper divisors (14283703563).

34615764021 is a wasteful number, since it uses less digits than its factorization.

34615764021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418820.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 34615764021 in words is "thirty-four billion, six hundred fifteen million, seven hundred sixty-four thousand, twenty-one".