80421504652 has 6 divisors (see below), whose sum is σ = 140737633148. Its totient is φ = 40210752324.

The previous prime is 80421504613. The next prime is 80421504689. The reversal of 80421504652 is 25640512408.

It is a super-2 number, since 2×80421504652² (a number of 23 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, 10052688078 + ... + 10052688085.

Almost surely, 2^80421504652 is an apocalyptic number.

It is an amenable number.

80421504652 is a deficient number, since it is larger than the sum of its proper divisors (60316128496).

80421504652 is a wasteful number, since it uses less digits than its factorization.

80421504652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20105376167 (or 20105376165 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 80421504652 in words is "eighty billion, four hundred twenty-one million, five hundred four thousand, six hundred fifty-two".