338763561081 has 8 divisors (see below), whose sum is σ = 492746997984. Its totient is φ = 205311249120.

The previous prime is 338763561053. The next prime is 338763561089. The reversal of 338763561081 is 180165367833.

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

It is not a de Polignac number, because 338763561081 - 2²³ = 338755172473 is a prime.

It is a super-2 number, since 2×338763561081² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (338763561089) 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, 5132781196 + ... + 5132781261.

It is an arithmetic number, because the mean of its divisors is an integer number (61593374748).

Almost surely, 2^338763561081 is an apocalyptic number.

It is an amenable number.

338763561081 is a deficient number, since it is larger than the sum of its proper divisors (153983436903).

338763561081 is a wasteful number, since it uses less digits than its factorization.

338763561081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10265562471.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 338763561081 in words is "three hundred thirty-eight billion, seven hundred sixty-three million, five hundred sixty-one thousand, eighty-one".