32630452421 has 4 divisors (see below), whose sum is σ = 37291945632. Its totient is φ = 27968959212.

The previous prime is 32630452417. The next prime is 32630452453. The reversal of 32630452421 is 12425403623.

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 32630452421 - 2² = 32630452417 is a prime.

It is a super-2 number, since 2×32630452421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32630452021) 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, 2330746595 + ... + 2330746608.

It is an arithmetic number, because the mean of its divisors is an integer number (9322986408).

Almost surely, 2^32630452421 is an apocalyptic number.

It is an amenable number.

32630452421 is a deficient number, since it is larger than the sum of its proper divisors (4661493211).

32630452421 is an equidigital number, since it uses as much as digits as its factorization.

32630452421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661493210.

The product of its (nonzero) digits is 34560, while the sum is 32.

The spelling of 32630452421 in words is "thirty-two billion, six hundred thirty million, four hundred fifty-two thousand, four hundred twenty-one".