34939499993947 has 32 divisors (see below), whose sum is σ = 38738985246720. Its totient is φ = 31363227228960.

The previous prime is 34939499993933. The next prime is 34939499994019. The reversal of 34939499993947 is 74939999493943.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34939499993947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34939499993917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1264489822 + ... + 1264517452.

It is an arithmetic number, because the mean of its divisors is an integer number (1210593288960).

Almost surely, 2^{34939499993947} is an apocalyptic number.

34939499993947 is a deficient number, since it is larger than the sum of its proper divisors (3799485252773).

34939499993947 is a wasteful number, since it uses less digits than its factorization.

34939499993947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54823.

The product of its digits is 57854793024, while the sum is 91.

The spelling of 34939499993947 in words is "thirty-four trillion, nine hundred thirty-nine billion, four hundred ninety-nine million, nine hundred ninety-three thousand, nine hundred forty-seven".