802643130626 has 4 divisors (see below), whose sum is σ = 1203964695942. Its totient is φ = 401321565312.

The previous prime is 802643130593. The next prime is 802643130659. The reversal of 802643130626 is 626031346208.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (802643130593) and next prime (802643130659).

It can be written as a sum of positive squares in only one way, i.e., 797093625601 + 5549505025 = 892801^2 + 74495^2 .

It is a super-2 number, since 2×802643130626² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200660782655 + ... + 200660782658.

Almost surely, 2^802643130626 is an apocalyptic number.

802643130626 is a deficient number, since it is larger than the sum of its proper divisors (401321565316).

802643130626 is a wasteful number, since it uses less digits than its factorization.

802643130626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401321565315.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 802643130626 in words is "eight hundred two billion, six hundred forty-three million, one hundred thirty thousand, six hundred twenty-six".