30642632677 has 4 divisors (see below), whose sum is σ = 30645245920. Its totient is φ = 30640019436.

The previous prime is 30642632663. The next prime is 30642632681. The reversal of 30642632677 is 77623624603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30642632677 - 2¹⁹ = 30642108389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30642632687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288953 + ... + 1312510.

It is an arithmetic number, because the mean of its divisors is an integer number (7661311480).

Almost surely, 2^30642632677 is an apocalyptic number.

It is an amenable number.

30642632677 is a deficient number, since it is larger than the sum of its proper divisors (2613243).

30642632677 is a wasteful number, since it uses less digits than its factorization.

30642632677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613242.

The product of its (nonzero) digits is 1524096, while the sum is 46.

The spelling of 30642632677 in words is "thirty billion, six hundred forty-two million, six hundred thirty-two thousand, six hundred seventy-seven".