381183925870 has 16 divisors (see below), whose sum is σ = 748506618288. Its totient is φ = 138612336640.

The previous prime is 381183925849. The next prime is 381183925873. The reversal of 381183925870 is 78529381183.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381183925873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1732654099 + ... + 1732654318.

It is an arithmetic number, because the mean of its divisors is an integer number (46781663643).

Almost surely, 2^381183925870 is an apocalyptic number.

381183925870 is a deficient number, since it is larger than the sum of its proper divisors (367322692418).

381183925870 is a wasteful number, since it uses less digits than its factorization.

381183925870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465308435.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 381183925870 in words is "three hundred eighty-one billion, one hundred eighty-three million, nine hundred twenty-five thousand, eight hundred seventy".