32613125635421 has 2 divisors, whose sum is σ = 32613125635422. Its totient is φ = 32613125635420.

The previous prime is 32613125635373. The next prime is 32613125635439. The reversal of 32613125635421 is 12453652131623.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27149153935225 + 5463971700196 = 5210485^2 + 2337514^2 .

It is a cyclic number.

It is not a de Polignac number, because 32613125635421 - 2⁴² = 28215079124317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32613125635481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16306562817710 + 16306562817711.

It is an arithmetic number, because the mean of its divisors is an integer number (16306562817711).

Almost surely, 2^{32613125635421} is an apocalyptic number.

It is an amenable number.

32613125635421 is a deficient number, since it is larger than the sum of its proper divisors (1).

32613125635421 is an equidigital number, since it uses as much as digits as its factorization.

32613125635421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 44.

The spelling of 32613125635421 in words is "thirty-two trillion, six hundred thirteen billion, one hundred twenty-five million, six hundred thirty-five thousand, four hundred twenty-one".