32451628651 has 4 divisors (see below), whose sum is σ = 34947907792. Its totient is φ = 29955349512.

The previous prime is 32451628603. The next prime is 32451628673. The reversal of 32451628651 is 15682615423.

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

It is a cyclic number.

It is not a de Polignac number, because 32451628651 - 2²⁵ = 32418074219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32451628598 and 32451628607.

It is not an unprimeable number, because it can be changed into a prime (32451628751) 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, 1248139551 + ... + 1248139576.

It is an arithmetic number, because the mean of its divisors is an integer number (8736976948).

Almost surely, 2^32451628651 is an apocalyptic number.

32451628651 is a deficient number, since it is larger than the sum of its proper divisors (2496279141).

32451628651 is a wasteful number, since it uses less digits than its factorization.

32451628651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496279140.

The product of its digits is 345600, while the sum is 43.

The spelling of 32451628651 in words is "thirty-two billion, four hundred fifty-one million, six hundred twenty-eight thousand, six hundred fifty-one".