381464663602 has 16 divisors (see below), whose sum is σ = 657068320800. Its totient is φ = 164267079840.

The previous prime is 381464663561. The next prime is 381464663609. The reversal of 381464663602 is 206366464183.

It is a happy number.

It is a super-2 number, since 2×381464663602² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (381464663609) 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, 456297027 + ... + 456297862.

It is an arithmetic number, because the mean of its divisors is an integer number (41066770050).

Almost surely, 2^381464663602 is an apocalyptic number.

381464663602 is a deficient number, since it is larger than the sum of its proper divisors (275603657198).

381464663602 is a wasteful number, since it uses less digits than its factorization.

381464663602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912594921.

The product of its (nonzero) digits is 2985984, while the sum is 49.

The spelling of 381464663602 in words is "three hundred eighty-one billion, four hundred sixty-four million, six hundred sixty-three thousand, six hundred two".