32683731491 has 2 divisors, whose sum is σ = 32683731492. Its totient is φ = 32683731490.

The previous prime is 32683731413. The next prime is 32683731523. The reversal of 32683731491 is 19413738623.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32683731491 is a prime.

It is not a weakly prime, because it can be changed into another prime (32683737491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16341865745 + 16341865746.

It is an arithmetic number, because the mean of its divisors is an integer number (16341865746).

Almost surely, 2^32683731491 is an apocalyptic number.

32683731491 is a deficient number, since it is larger than the sum of its proper divisors (1).

32683731491 is an equidigital number, since it uses as much as digits as its factorization.

32683731491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 47.

The spelling of 32683731491 in words is "thirty-two billion, six hundred eighty-three million, seven hundred thirty-one thousand, four hundred ninety-one".