100022689493 has 4 divisors (see below), whose sum is σ = 100024489068. Its totient is φ = 100020889920.

The previous prime is 100022689483. The next prime is 100022689499. The reversal of 100022689493 is 394986220001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13587865489 + 86434824004 = 116567^2 + 293998^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100022689493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100022689499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813668 + ... + 928493.

It is an arithmetic number, because the mean of its divisors is an integer number (25006122267).

Almost surely, 2^100022689493 is an apocalyptic number.

It is an amenable number.

100022689493 is a deficient number, since it is larger than the sum of its proper divisors (1799575).

100022689493 is an equidigital number, since it uses as much as digits as its factorization.

100022689493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799574.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 100022689493 in words is "one hundred billion, twenty-two million, six hundred eighty-nine thousand, four hundred ninety-three".