2638381483348 has 24 divisors (see below), whose sum is σ = 5132732218880. Its totient is φ = 1178433416160.

The previous prime is 2638381483291. The next prime is 2638381483363. The reversal of 2638381483348 is 8433841838362.

It is a happy number.

It is a super-2 number, since 2×2638381483348² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 818354928 + ... + 818358151.

Almost surely, 2^{2638381483348} is an apocalyptic number.

It is an amenable number.

2638381483348 is a deficient number, since it is larger than the sum of its proper divisors (2494350735532).

2638381483348 is a wasteful number, since it uses less digits than its factorization.

2638381483348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636713127 (or 1636713125 counting only the distinct ones).

The product of its digits is 63700992, while the sum is 61.

The spelling of 2638381483348 in words is "two trillion, six hundred thirty-eight billion, three hundred eighty-one million, four hundred eighty-three thousand, three hundred forty-eight".