7421245386577 has 16 divisors (see below), whose sum is σ = 8228610307008. Its totient is φ = 6636695898880.

The previous prime is 7421245386551. The next prime is 7421245386593. The reversal of 7421245386577 is 7756835421247.

It is a cyclic number.

It is not a de Polignac number, because 7421245386577 - 2³⁵ = 7386885648209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7421245386277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17230228 + ... + 17655685.

It is an arithmetic number, because the mean of its divisors is an integer number (514288144188).

Almost surely, 2^{7421245386577} is an apocalyptic number.

It is an amenable number.

7421245386577 is a deficient number, since it is larger than the sum of its proper divisors (807364920431).

7421245386577 is a wasteful number, since it uses less digits than its factorization.

7421245386577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34886240.

The product of its digits is 79027200, while the sum is 61.

The spelling of 7421245386577 in words is "seven trillion, four hundred twenty-one billion, two hundred forty-five million, three hundred eighty-six thousand, five hundred seventy-seven".