6402266520433 has 6 divisors (see below), whose sum is σ = 7447534523826. Its totient is φ = 5487657017472.

The previous prime is 6402266520431. The next prime is 6402266520457. The reversal of 6402266520433 is 3340256622046.

It can be written as a sum of positive squares in only one way, i.e., 6381802645729 + 20463874704 = 2526223^2 + 143052^2 .

It is not a de Polignac number, because 6402266520433 - 2¹ = 6402266520431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6402266520433.

It is not an unprimeable number, because it can be changed into a prime (6402266520431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65329250160 + ... + 65329250257.

It is an arithmetic number, because the mean of its divisors is an integer number (1241255753971).

Almost surely, 2^{6402266520433} is an apocalyptic number.

It is an amenable number.

6402266520433 is a deficient number, since it is larger than the sum of its proper divisors (1045268003393).

6402266520433 is a wasteful number, since it uses less digits than its factorization.

6402266520433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130658500431 (or 130658500424 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 43.

The spelling of 6402266520433 in words is "six trillion, four hundred two billion, two hundred sixty-six million, five hundred twenty thousand, four hundred thirty-three".