380654823505 has 128 divisors (see below), whose sum is σ = 550316851200. Its totient is φ = 249694617600.

The previous prime is 380654823469. The next prime is 380654823613. The reversal of 380654823505 is 505328456083.

It is not a de Polignac number, because 380654823505 - 2¹³ = 380654815313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 668988861 + ... + 668989429.

It is an arithmetic number, because the mean of its divisors is an integer number (4299350400).

Almost surely, 2^380654823505 is an apocalyptic number.

It is an amenable number.

380654823505 is a deficient number, since it is larger than the sum of its proper divisors (169662027695).

380654823505 is a wasteful number, since it uses less digits than its factorization.

380654823505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935.

The product of its (nonzero) digits is 3456000, while the sum is 49.

The spelling of 380654823505 in words is "three hundred eighty billion, six hundred fifty-four million, eight hundred twenty-three thousand, five hundred five".