34380392621 has 4 divisors (see below), whose sum is σ = 34963111200. Its totient is φ = 33797674044.

The previous prime is 34380392611. The next prime is 34380392677. The reversal of 34380392621 is 12629308343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34380392621 - 2¹⁴ = 34380376237 is a prime.

It is a super-2 number, since 2×34380392621² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34380392611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291359201 + ... + 291359318.

It is an arithmetic number, because the mean of its divisors is an integer number (8740777800).

Almost surely, 2^34380392621 is an apocalyptic number.

It is an amenable number.

34380392621 is a deficient number, since it is larger than the sum of its proper divisors (582718579).

34380392621 is an equidigital number, since it uses as much as digits as its factorization.

34380392621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582718578.

The product of its (nonzero) digits is 186624, while the sum is 41.

The spelling of 34380392621 in words is "thirty-four billion, three hundred eighty million, three hundred ninety-two thousand, six hundred twenty-one".