32157853439 has 2 divisors, whose sum is σ = 32157853440. Its totient is φ = 32157853438.

The previous prime is 32157853421. The next prime is 32157853477. The reversal of 32157853439 is 93435875123.

It is a weak prime.

It is an emirp because it is prime and its reverse (93435875123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32157853439 - 2⁸ = 32157853183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32157856439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16078926719 + 16078926720.

It is an arithmetic number, because the mean of its divisors is an integer number (16078926720).

Almost surely, 2^32157853439 is an apocalyptic number.

32157853439 is a deficient number, since it is larger than the sum of its proper divisors (1).

32157853439 is an equidigital number, since it uses as much as digits as its factorization.

32157853439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 50.

The spelling of 32157853439 in words is "thirty-two billion, one hundred fifty-seven million, eight hundred fifty-three thousand, four hundred thirty-nine".