381037934690 has 16 divisors (see below), whose sum is σ = 783849465792. Its totient is φ = 130641577584.

The previous prime is 381037934689. The next prime is 381037934699. The reversal of 381037934690 is 96439730183.

It is a super-2 number, since 2×381037934690² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (381037934699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2721699464 + ... + 2721699603.

It is an arithmetic number, because the mean of its divisors is an integer number (48990591612).

Almost surely, 2^381037934690 is an apocalyptic number.

381037934690 is an abundant number, since it is smaller than the sum of its proper divisors (402811531102).

381037934690 is a wasteful number, since it uses less digits than its factorization.

381037934690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5443399081.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 381037934690 in words is "three hundred eighty-one billion, thirty-seven million, nine hundred thirty-four thousand, six hundred ninety".