481264783882138 has 8 divisors (see below), whose sum is σ = 724174453981332. Its totient is φ = 239873299221696.

The previous prime is 481264783882111. The next prime is 481264783882171. The reversal of 481264783882138 is 831288387462184.

It can be written as a sum of positive squares in 2 ways, for example, as 469524889001529 + 11739894880609 = 21668523^2 + 3426353^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379546358895 + ... + 379546360162.

Almost surely, 2^{481264783882138} is an apocalyptic number.

481264783882138 is a deficient number, since it is larger than the sum of its proper divisors (242909670099194).

481264783882138 is a wasteful number, since it uses less digits than its factorization.

481264783882138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759092719376.

The product of its digits is 792723456, while the sum is 73.

The spelling of 481264783882138 in words is "four hundred eighty-one trillion, two hundred sixty-four billion, seven hundred eighty-three million, eight hundred eighty-two thousand, one hundred thirty-eight".