2355867645 has 16 divisors (see below), whose sum is σ = 3770112192. Its totient is φ = 1256221440.

The previous prime is 2355867637. The next prime is 2355867659. The reversal of 2355867645 is 5467685532.

It is not a de Polignac number, because 2355867645 - 2³ = 2355867637 is a prime.

It is a super-2 number, since 2×2355867645² = 11100224721515692050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88629 + ... + 112101.

It is an arithmetic number, because the mean of its divisors is an integer number (235632012).

Almost surely, 2^2355867645 is an apocalyptic number.

It is an amenable number.

2355867645 is a deficient number, since it is larger than the sum of its proper divisors (1414244547).

2355867645 is a wasteful number, since it uses less digits than its factorization.

2355867645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30172.

The product of its digits is 6048000, while the sum is 51.

The square root of 2355867645 is about 48537.2809807060. The cubic root of 2355867645 is about 1330.6085076133.

The spelling of 2355867645 in words is "two billion, three hundred fifty-five million, eight hundred sixty-seven thousand, six hundred forty-five".