220174394939 has 2 divisors, whose sum is σ = 220174394940. Its totient is φ = 220174394938.

The previous prime is 220174394927. The next prime is 220174395037. The reversal of 220174394939 is 939493471022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220174394939 is a prime.

It is not a weakly prime, because it can be changed into another prime (220174394039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110087197469 + 110087197470.

It is an arithmetic number, because the mean of its divisors is an integer number (110087197470).

Almost surely, 2^220174394939 is an apocalyptic number.

220174394939 is a deficient number, since it is larger than the sum of its proper divisors (1).

220174394939 is an equidigital number, since it uses as much as digits as its factorization.

220174394939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The spelling of 220174394939 in words is "two hundred twenty billion, one hundred seventy-four million, three hundred ninety-four thousand, nine hundred thirty-nine".