6452642957626 has 4 divisors (see below), whose sum is σ = 9678964436442. Its totient is φ = 3226321478812.

The previous prime is 6452642957573. The next prime is 6452642957627. The reversal of 6452642957626 is 6267592462546.

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., 3852328680225 + 2600314277401 = 1962735^2 + 1612549^2 .

It is a super-2 number, since 2×6452642957626² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6452642957627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1613160739405 + ... + 1613160739408.

Almost surely, 2^{6452642957626} is an apocalyptic number.

6452642957626 is a deficient number, since it is larger than the sum of its proper divisors (3226321478816).

6452642957626 is a wasteful number, since it uses less digits than its factorization.

6452642957626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226321478815.

The product of its digits is 261273600, while the sum is 64.

The spelling of 6452642957626 in words is "six trillion, four hundred fifty-two billion, six hundred forty-two million, nine hundred fifty-seven thousand, six hundred twenty-six".