32161249433 has 2 divisors, whose sum is σ = 32161249434. Its totient is φ = 32161249432.

The previous prime is 32161249423. The next prime is 32161249447. The reversal of 32161249433 is 33494216123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26389352704 + 5771896729 = 162448^2 + 75973^2 .

It is a cyclic number.

It is not a de Polignac number, because 32161249433 - 2⁶ = 32161249369 is a prime.

It is not a weakly prime, because it can be changed into another prime (32161249423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16080624716 + 16080624717.

It is an arithmetic number, because the mean of its divisors is an integer number (16080624717).

Almost surely, 2^32161249433 is an apocalyptic number.

It is an amenable number.

32161249433 is a deficient number, since it is larger than the sum of its proper divisors (1).

32161249433 is an equidigital number, since it uses as much as digits as its factorization.

32161249433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 38.

The spelling of 32161249433 in words is "thirty-two billion, one hundred sixty-one million, two hundred forty-nine thousand, four hundred thirty-three".