380539760639 has 4 divisors (see below), whose sum is σ = 383444644440. Its totient is φ = 377634876840.

The previous prime is 380539760621. The next prime is 380539760641. The reversal of 380539760639 is 936067935083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-380539760639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380539769639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1452441704 + ... + 1452441965.

It is an arithmetic number, because the mean of its divisors is an integer number (95861161110).

Almost surely, 2^380539760639 is an apocalyptic number.

380539760639 is a deficient number, since it is larger than the sum of its proper divisors (2904883801).

380539760639 is a wasteful number, since it uses less digits than its factorization.

380539760639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904883800.

The product of its (nonzero) digits is 22044960, while the sum is 59.

The spelling of 380539760639 in words is "three hundred eighty billion, five hundred thirty-nine million, seven hundred sixty thousand, six hundred thirty-nine".