32421148405 has 4 divisors (see below), whose sum is σ = 38905378092. Its totient is φ = 25936918720.

The previous prime is 32421148399. The next prime is 32421148423. The reversal of 32421148405 is 50484112423.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5960920849 + 26460227556 = 77207^2 + 162666^2 .

It is not a de Polignac number, because 32421148405 - 2⁵ = 32421148373 is a prime.

It is a super-2 number, since 2×32421148405² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3242114836 + ... + 3242114845.

It is an arithmetic number, because the mean of its divisors is an integer number (9726344523).

Almost surely, 2^32421148405 is an apocalyptic number.

It is an amenable number.

32421148405 is a deficient number, since it is larger than the sum of its proper divisors (6484229687).

32421148405 is an equidigital number, since it uses as much as digits as its factorization.

32421148405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6484229686.

The product of its (nonzero) digits is 30720, while the sum is 34.

The spelling of 32421148405 in words is "thirty-two billion, four hundred twenty-one million, one hundred forty-eight thousand, four hundred five".