128492244371 has 2 divisors, whose sum is σ = 128492244372. Its totient is φ = 128492244370.

The previous prime is 128492244329. The next prime is 128492244373. The reversal of 128492244371 is 173442294821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128492244371 is a prime.

Together with 128492244373, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (128492244373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64246122185 + 64246122186.

It is an arithmetic number, because the mean of its divisors is an integer number (64246122186).

Almost surely, 2^128492244371 is an apocalyptic number.

128492244371 is a deficient number, since it is larger than the sum of its proper divisors (1).

128492244371 is an equidigital number, since it uses as much as digits as its factorization.

128492244371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 47.

The spelling of 128492244371 in words is "one hundred twenty-eight billion, four hundred ninety-two million, two hundred forty-four thousand, three hundred seventy-one".