100085421619 has 2 divisors, whose sum is σ = 100085421620. Its totient is φ = 100085421618.

The previous prime is 100085421589. The next prime is 100085421641. The reversal of 100085421619 is 916124580001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100085421619 - 2²³ = 100077033011 is a prime.

It is a super-2 number, since 2×100085421619² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100085421419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50042710809 + 50042710810.

It is an arithmetic number, because the mean of its divisors is an integer number (50042710810).

Almost surely, 2^100085421619 is an apocalyptic number.

100085421619 is a deficient number, since it is larger than the sum of its proper divisors (1).

100085421619 is an equidigital number, since it uses as much as digits as its factorization.

100085421619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 37.

The spelling of 100085421619 in words is "one hundred billion, eighty-five million, four hundred twenty-one thousand, six hundred nineteen".