34531697965818 has 16 divisors (see below), whose sum is σ = 69281261537760. Its totient is φ = 11474255054256.

The previous prime is 34531697965799. The next prime is 34531697965819. The reversal of 34531697965818 is 81856979613543.

It is a self number, because there is not a number n which added to its sum of digits gives 34531697965818.

It is not an unprimeable number, because it can be changed into a prime (34531697965819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9077731528 + ... + 9077735331.

It is an arithmetic number, because the mean of its divisors is an integer number (4330078846110).

Almost surely, 2^{34531697965818} is an apocalyptic number.

34531697965818 is an abundant number, since it is smaller than the sum of its proper divisors (34749563571942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34531697965818 is a wasteful number, since it uses less digits than its factorization.

34531697965818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18155467181.

The product of its digits is 1175731200, while the sum is 75.

The spelling of 34531697965818 in words is "thirty-four trillion, five hundred thirty-one billion, six hundred ninety-seven million, nine hundred sixty-five thousand, eight hundred eighteen".