421560676420513 has 16 divisors (see below), whose sum is σ = 496591108424704. Its totient is φ = 350302625778240.

The previous prime is 421560676420501. The next prime is 421560676420519. The reversal of 421560676420513 is 315024676065124.

It is a cyclic number.

It is not a de Polignac number, because 421560676420513 - 2¹³ = 421560676412321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421560676420519) 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, 2937919953 + ... + 2938063438.

It is an arithmetic number, because the mean of its divisors is an integer number (31036944276544).

Almost surely, 2^{421560676420513} is an apocalyptic number.

It is an amenable number.

421560676420513 is a deficient number, since it is larger than the sum of its proper divisors (75030432004191).

421560676420513 is a wasteful number, since it uses less digits than its factorization.

421560676420513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5875983712.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 421560676420513 in words is "four hundred twenty-one trillion, five hundred sixty billion, six hundred seventy-six million, four hundred twenty thousand, five hundred thirteen".