45821420149979 has 2 divisors, whose sum is σ = 45821420149980. Its totient is φ = 45821420149978.

The previous prime is 45821420149949. The next prime is 45821420150041. The reversal of 45821420149979 is 97994102412854.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45821420149979 - 2⁸ = 45821420149723 is a prime.

It is not a weakly prime, because it can be changed into another prime (45821420149949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22910710074989 + 22910710074990.

It is an arithmetic number, because the mean of its divisors is an integer number (22910710074990).

Almost surely, 2^{45821420149979} is an apocalyptic number.

45821420149979 is a deficient number, since it is larger than the sum of its proper divisors (1).

45821420149979 is an equidigital number, since it uses as much as digits as its factorization.

45821420149979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52254720, while the sum is 65.

The spelling of 45821420149979 in words is "forty-five trillion, eight hundred twenty-one billion, four hundred twenty million, one hundred forty-nine thousand, nine hundred seventy-nine".