100505039653 has 4 divisors (see below), whose sum is σ = 102643444800. Its totient is φ = 98366634508.

The previous prime is 100505039623. The next prime is 100505039681. The reversal of 100505039653 is 356930505001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100505039653 - 2¹³ = 100505031461 is a prime.

It is a super-2 number, since 2×100505039653² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100505039623) 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, 1069202503 + ... + 1069202596.

It is an arithmetic number, because the mean of its divisors is an integer number (25660861200).

Almost surely, 2^100505039653 is an apocalyptic number.

It is an amenable number.

100505039653 is a deficient number, since it is larger than the sum of its proper divisors (2138405147).

100505039653 is an equidigital number, since it uses as much as digits as its factorization.

100505039653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138405146.

The product of its (nonzero) digits is 60750, while the sum is 37.

The spelling of 100505039653 in words is "one hundred billion, five hundred five million, thirty-nine thousand, six hundred fifty-three".