2053517694 has 24 divisors (see below), whose sum is σ = 4293372552. Its totient is φ = 654743760.

The previous prime is 2053517693. The next prime is 2053517707. The reversal of 2053517694 is 4967153502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053517693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320317 + ... + 326664.

It is an arithmetic number, because the mean of its divisors is an integer number (178890523).

Almost surely, 2^2053517694 is an apocalyptic number.

2053517694 is an abundant number, since it is smaller than the sum of its proper divisors (2239854858).

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

2053517694 is a wasteful number, since it uses less digits than its factorization.

2053517694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647032 (or 647009 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 2053517694 is about 45315.7554720210. The cubic root of 2053517694 is about 1271.0602867662.

The spelling of 2053517694 in words is "two billion, fifty-three million, five hundred seventeen thousand, six hundred ninety-four".