1627040200657 has 4 divisors (see below), whose sum is σ = 1627403140720. Its totient is φ = 1626677260596.

The previous prime is 1627040200603. The next prime is 1627040200663. The reversal of 1627040200657 is 7560020407261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1627040200657 - 2³¹ = 1624892717009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1627040207657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181463307 + ... + 181472272.

It is an arithmetic number, because the mean of its divisors is an integer number (406850785180).

Almost surely, 2^{1627040200657} is an apocalyptic number.

It is an amenable number.

1627040200657 is a deficient number, since it is larger than the sum of its proper divisors (362940063).

1627040200657 is an equidigital number, since it uses as much as digits as its factorization.

1627040200657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362940062.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 1627040200657 in words is "one trillion, six hundred twenty-seven billion, forty million, two hundred thousand, six hundred fifty-seven".