100390192417 has 4 divisors (see below), whose sum is σ = 103851923220. Its totient is φ = 96928461616.

The previous prime is 100390192387. The next prime is 100390192423. The reversal of 100390192417 is 714291093001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 714291093001 = 120401 ⋅5932601.

It can be written as a sum of positive squares in 2 ways, for example, as 74464040161 + 25926152256 = 272881^2 + 161016^2 .

It is a cyclic number.

It is not a de Polignac number, because 100390192417 - 2¹⁹ = 100389668129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100390192447) 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, 1730865358 + ... + 1730865415.

It is an arithmetic number, because the mean of its divisors is an integer number (25962980805).

Almost surely, 2^100390192417 is an apocalyptic number.

It is an amenable number.

100390192417 is a deficient number, since it is larger than the sum of its proper divisors (3461730803).

100390192417 is an equidigital number, since it uses as much as digits as its factorization.

100390192417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461730802.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 100390192417 in words is "one hundred billion, three hundred ninety million, one hundred ninety-two thousand, four hundred seventeen".