380955613905 has 12 divisors (see below), whose sum is σ = 660323064180. Its totient is φ = 203176327392.

The previous prime is 380955613889. The next prime is 380955613933. The reversal of 380955613905 is 509316559083.

It is a happy number.

380955613905 is a `hidden beast` number, since 3 + 80 + 9 + 556 + 1 + 3 + 9 + 0 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 238760254161 + 142195359744 = 488631^2 + 377088^2 .

It is not a de Polignac number, because 380955613905 - 2⁴ = 380955613889 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4232840110 + ... + 4232840199.

It is an arithmetic number, because the mean of its divisors is an integer number (55026922015).

Almost surely, 2^380955613905 is an apocalyptic number.

It is an amenable number.

380955613905 is a deficient number, since it is larger than the sum of its proper divisors (279367450275).

380955613905 is a wasteful number, since it uses less digits than its factorization.

380955613905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8465680320 (or 8465680317 counting only the distinct ones).

The product of its (nonzero) digits is 4374000, while the sum is 54.

The spelling of 380955613905 in words is "three hundred eighty billion, nine hundred fifty-five million, six hundred thirteen thousand, nine hundred five".