2657386893 has 8 divisors (see below), whose sum is σ = 4049351488. Its totient is φ = 1518506784.

The previous prime is 2657386891. The next prime is 2657386951. The reversal of 2657386893 is 3986837562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2657386893 - 2¹ = 2657386891 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2657386891) 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, 63271096 + ... + 63271137.

It is an arithmetic number, because the mean of its divisors is an integer number (506168936).

Almost surely, 2^2657386893 is an apocalyptic number.

It is an amenable number.

2657386893 is a deficient number, since it is larger than the sum of its proper divisors (1391964595).

2657386893 is a wasteful number, since it uses less digits than its factorization.

2657386893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126542243.

The product of its digits is 13063680, while the sum is 57.

The square root of 2657386893 is about 51549.8486224741. The cubic root of 2657386893 is about 1385.1121202789.

The spelling of 2657386893 in words is "two billion, six hundred fifty-seven million, three hundred eighty-six thousand, eight hundred ninety-three".