2657942395 has 8 divisors (see below), whose sum is σ = 3357401040. Its totient is φ = 2014440480.

The previous prime is 2657942377. The next prime is 2657942429. The reversal of 2657942395 is 5932497562.

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

It is not a de Polignac number, because 2657942395 - 2⁷ = 2657942267 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13989076 + ... + 13989265.

It is an arithmetic number, because the mean of its divisors is an integer number (419675130).

Almost surely, 2^2657942395 is an apocalyptic number.

2657942395 is a deficient number, since it is larger than the sum of its proper divisors (699458645).

2657942395 is a wasteful number, since it uses less digits than its factorization.

2657942395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27978365.

The product of its digits is 4082400, while the sum is 52.

The square root of 2657942395 is about 51555.2363489879. The cubic root of 2657942395 is about 1385.2086284875.

The spelling of 2657942395 in words is "two billion, six hundred fifty-seven million, nine hundred forty-two thousand, three hundred ninety-five".