10642621400506 has 4 divisors (see below), whose sum is σ = 15963932100762. Its totient is φ = 5321310700252.

The previous prime is 10642621400483. The next prime is 10642621400527. The reversal of 10642621400506 is 60500412624601.

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., 9572619421225 + 1070001979281 = 3093965^2 + 1034409^2 .

It is a super-2 number, since 2×10642621400506² (a number of 27 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, 2660655350125 + ... + 2660655350128.

Almost surely, 2^{10642621400506} is an apocalyptic number.

10642621400506 is a deficient number, since it is larger than the sum of its proper divisors (5321310700256).

10642621400506 is an equidigital number, since it uses as much as digits as its factorization.

10642621400506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321310700255.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 10642621400506 in words is "ten trillion, six hundred forty-two billion, six hundred twenty-one million, four hundred thousand, five hundred six".