220403648939 has 2 divisors, whose sum is σ = 220403648940. Its totient is φ = 220403648938.

The previous prime is 220403648929. The next prime is 220403648963. The reversal of 220403648939 is 939846304022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220403648939 - 2⁴ = 220403648923 is a prime.

It is not a weakly prime, because it can be changed into another prime (220403648929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110201824469 + 110201824470.

It is an arithmetic number, because the mean of its divisors is an integer number (110201824470).

Almost surely, 2^220403648939 is an apocalyptic number.

220403648939 is a deficient number, since it is larger than the sum of its proper divisors (1).

220403648939 is an equidigital number, since it uses as much as digits as its factorization.

220403648939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 220403648939 in words is "two hundred twenty billion, four hundred three million, six hundred forty-eight thousand, nine hundred thirty-nine".