32405978998313 has 2 divisors, whose sum is σ = 32405978998314. Its totient is φ = 32405978998312.

The previous prime is 32405978998241. The next prime is 32405978998319. The reversal of 32405978998313 is 31389987950423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26010785405929 + 6395193592384 = 5100077^2 + 2528872^2 .

It is a cyclic number.

It is not a de Polignac number, because 32405978998313 - 2¹⁸ = 32405978736169 is a prime.

It is not a weakly prime, because it can be changed into another prime (32405978998319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16202989499156 + 16202989499157.

It is an arithmetic number, because the mean of its divisors is an integer number (16202989499157).

Almost surely, 2^{32405978998313} is an apocalyptic number.

It is an amenable number.

32405978998313 is a deficient number, since it is larger than the sum of its proper divisors (1).

32405978998313 is an equidigital number, since it uses as much as digits as its factorization.

32405978998313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352719360, while the sum is 71.

The spelling of 32405978998313 in words is "thirty-two trillion, four hundred five billion, nine hundred seventy-eight million, nine hundred ninety-eight thousand, three hundred thirteen".