100938403425646 has 4 divisors (see below), whose sum is σ = 151407605138472. Its totient is φ = 50469201712822.

The previous prime is 100938403425589. The next prime is 100938403425667. The reversal of 100938403425646 is 646524304839001.

It is a happy number.

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

It is a super-2 number, since 2×100938403425646² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25234600856410 + ... + 25234600856413.

It is an arithmetic number, because the mean of its divisors is an integer number (37851901284618).

Almost surely, 2^{100938403425646} is an apocalyptic number.

100938403425646 is a deficient number, since it is larger than the sum of its proper divisors (50469201712826).

100938403425646 is an equidigital number, since it uses as much as digits as its factorization.

100938403425646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50469201712825.

The product of its (nonzero) digits is 14929920, while the sum is 55.

The spelling of 100938403425646 in words is "one hundred trillion, nine hundred thirty-eight billion, four hundred three million, four hundred twenty-five thousand, six hundred forty-six".