380074136781 has 4 divisors (see below), whose sum is σ = 506765515712. Its totient is φ = 253382757852.

The previous prime is 380074136773. The next prime is 380074136807. The reversal of 380074136781 is 187631470083.

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 not a de Polignac number, because 380074136781 - 2³ = 380074136773 is a prime.

It is a super-2 number, since 2×380074136781² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 380074136781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380074135781) 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, 63345689461 + ... + 63345689466.

It is an arithmetic number, because the mean of its divisors is an integer number (126691378928).

Almost surely, 2^380074136781 is an apocalyptic number.

It is an amenable number.

380074136781 is a deficient number, since it is larger than the sum of its proper divisors (126691378931).

380074136781 is a wasteful number, since it uses less digits than its factorization.

380074136781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126691378930.

The product of its (nonzero) digits is 677376, while the sum is 48.

The spelling of 380074136781 in words is "three hundred eighty billion, seventy-four million, one hundred thirty-six thousand, seven hundred eighty-one".