6404602460626 has 4 divisors (see below), whose sum is σ = 9606903690942. Its totient is φ = 3202301230312.

The previous prime is 6404602460603. The next prime is 6404602460699. The reversal of 6404602460626 is 6260642064046.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3795876786601 + 2608725674025 = 1948301^2 + 1615155^2 .

It is a super-2 number, since 2×6404602460626² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1601150615155 + ... + 1601150615158.

Almost surely, 2^{6404602460626} is an apocalyptic number.

6404602460626 is a deficient number, since it is larger than the sum of its proper divisors (3202301230316).

6404602460626 is a wasteful number, since it uses less digits than its factorization.

6404602460626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202301230315.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 6404602460626 in words is "six trillion, four hundred four billion, six hundred two million, four hundred sixty thousand, six hundred twenty-six".