32451432479 has 2 divisors, whose sum is σ = 32451432480. Its totient is φ = 32451432478.

The previous prime is 32451432467. The next prime is 32451432539. The reversal of 32451432479 is 97423415423.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32451432479 - 2¹⁶ = 32451366943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32451432439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16225716239 + 16225716240.

It is an arithmetic number, because the mean of its divisors is an integer number (16225716240).

Almost surely, 2^32451432479 is an apocalyptic number.

32451432479 is a deficient number, since it is larger than the sum of its proper divisors (1).

32451432479 is an equidigital number, since it uses as much as digits as its factorization.

32451432479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 44.

The spelling of 32451432479 in words is "thirty-two billion, four hundred fifty-one million, four hundred thirty-two thousand, four hundred seventy-nine".