2057605694 has 4 divisors (see below), whose sum is σ = 3086408544. Its totient is φ = 1028802846.

The previous prime is 2057605679. The next prime is 2057605699. The reversal of 2057605694 is 4965067502.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2057605699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514401422 + ... + 514401425.

It is an arithmetic number, because the mean of its divisors is an integer number (771602136).

Almost surely, 2^2057605694 is an apocalyptic number.

2057605694 is a deficient number, since it is larger than the sum of its proper divisors (1028802850).

2057605694 is a wasteful number, since it uses less digits than its factorization.

2057605694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028802849.

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 2057605694 is about 45360.8387709046. The cubic root of 2057605694 is about 1271.9031737901.

The spelling of 2057605694 in words is "two billion, fifty-seven million, six hundred five thousand, six hundred ninety-four".