344630688995 has 4 divisors (see below), whose sum is σ = 413556826800. Its totient is φ = 275704551192.

The previous prime is 344630688991. The next prime is 344630689003. The reversal of 344630688995 is 599886036443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 344630688995 - 2² = 344630688991 is a prime.

It is a super-2 number, since 2×344630688995² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (344630688991) 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, 34463068895 + ... + 34463068904.

It is an arithmetic number, because the mean of its divisors is an integer number (103389206700).

Almost surely, 2^344630688995 is an apocalyptic number.

344630688995 is a deficient number, since it is larger than the sum of its proper divisors (68926137805).

344630688995 is an equidigital number, since it uses as much as digits as its factorization.

344630688995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68926137804.

The product of its (nonzero) digits is 134369280, while the sum is 65.

The spelling of 344630688995 in words is "three hundred forty-four billion, six hundred thirty million, six hundred eighty-eight thousand, nine hundred ninety-five".