1639092045455 has 16 divisors (see below), whose sum is σ = 1971147615264. Its totient is φ = 1308449493120.

The previous prime is 1639092045449. The next prime is 1639092045517. The reversal of 1639092045455 is 5545402909361.

It is a happy number.

It is not a de Polignac number, because 1639092045455 - 2¹⁸ = 1639091783311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1639092045397 and 1639092045406.

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, 23860217 + ... + 23928813.

It is an arithmetic number, because the mean of its divisors is an integer number (123196725954).

Almost surely, 2^{1639092045455} is an apocalyptic number.

1639092045455 is a deficient number, since it is larger than the sum of its proper divisors (332055569809).

1639092045455 is an equidigital number, since it uses as much as digits as its factorization.

1639092045455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78826.

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 1639092045455 in words is "one trillion, six hundred thirty-nine billion, ninety-two million, forty-five thousand, four hundred fifty-five".