2602138433896 has 8 divisors (see below), whose sum is σ = 4879009563570. Its totient is φ = 1301069216944.

The previous prime is 2602138433821. The next prime is 2602138433903. The reversal of 2602138433896 is 6983348312062.

It can be written as a sum of positive squares in only one way, i.e., 1478135597796 + 1124002836100 = 1215786^2 + 1060190^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2602138433896² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162633652111 + ... + 162633652126.

Almost surely, 2^{2602138433896} is an apocalyptic number.

It is an amenable number.

2602138433896 is a deficient number, since it is larger than the sum of its proper divisors (2276871129674).

2602138433896 is a wasteful number, since it uses less digits than its factorization.

2602138433896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325267304243 (or 325267304239 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 55.

The spelling of 2602138433896 in words is "two trillion, six hundred two billion, one hundred thirty-eight million, four hundred thirty-three thousand, eight hundred ninety-six".