205035053694 has 64 divisors (see below), whose sum is σ = 419617124352. Its totient is φ = 66772965600.

The previous prime is 205035053689. The next prime is 205035053701. The reversal of 205035053694 is 496350530502.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24725689 + ... + 24733979.

It is an arithmetic number, because the mean of its divisors is an integer number (6556517568).

Almost surely, 2^205035053694 is an apocalyptic number.

205035053694 is an abundant number, since it is smaller than the sum of its proper divisors (214582070658).

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

205035053694 is a wasteful number, since it uses less digits than its factorization.

205035053694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8861.

The product of its (nonzero) digits is 486000, while the sum is 42.

The spelling of 205035053694 in words is "two hundred five billion, thirty-five million, fifty-three thousand, six hundred ninety-four".