34931691899437 has 4 divisors (see below), whose sum is σ = 36450461112480. Its totient is φ = 33412922686396.

The previous prime is 34931691899431. The next prime is 34931691899443. The reversal of 34931691899437 is 73499819613943.

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 an interprime number because it is at equal distance from previous prime (34931691899431) and next prime (34931691899443).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34931691899437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34931691899431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759384606487 + ... + 759384606532.

It is an arithmetic number, because the mean of its divisors is an integer number (9112615278120).

Almost surely, 2^{34931691899437} is an apocalyptic number.

It is an amenable number.

34931691899437 is a deficient number, since it is larger than the sum of its proper divisors (1518769213043).

34931691899437 is a wasteful number, since it uses less digits than its factorization.

34931691899437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518769213042.

The product of its digits is 952342272, while the sum is 76.

The spelling of 34931691899437 in words is "thirty-four trillion, nine hundred thirty-one billion, six hundred ninety-one million, eight hundred ninety-nine thousand, four hundred thirty-seven".