56402060489 has 2 divisors, whose sum is σ = 56402060490. Its totient is φ = 56402060488.

The previous prime is 56402060459. The next prime is 56402060581. The reversal of 56402060489 is 98406020465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49916496400 + 6485564089 = 223420^2 + 80533^2 .

It is a cyclic number.

It is not a de Polignac number, because 56402060489 - 2¹² = 56402056393 is a prime.

It is not a weakly prime, because it can be changed into another prime (56402060459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28201030244 + 28201030245.

It is an arithmetic number, because the mean of its divisors is an integer number (28201030245).

Almost surely, 2^56402060489 is an apocalyptic number.

It is an amenable number.

56402060489 is a deficient number, since it is larger than the sum of its proper divisors (1).

56402060489 is an equidigital number, since it uses as much as digits as its factorization.

56402060489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 56402060489 in words is "fifty-six billion, four hundred two million, sixty thousand, four hundred eighty-nine".