90639123189119 has 8 divisors (see below), whose sum is σ = 92358739593120. Its totient is φ = 88935653418336.

The previous prime is 90639123189113. The next prime is 90639123189227. The reversal of 90639123189119 is 91198132193609.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90639123189119 - 2⁸ = 90639123188863 is a prime.

It is a super-2 number, since 2×90639123189119² (a number of 29 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 (90639123189113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4036646972 + ... + 4036669425.

It is an arithmetic number, because the mean of its divisors is an integer number (11544842449140).

Almost surely, 2^{90639123189119} is an apocalyptic number.

90639123189119 is a deficient number, since it is larger than the sum of its proper divisors (1719616404001).

90639123189119 is a wasteful number, since it uses less digits than its factorization.

90639123189119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8073316609.

The product of its (nonzero) digits is 5668704, while the sum is 62.

The spelling of 90639123189119 in words is "ninety trillion, six hundred thirty-nine billion, one hundred twenty-three million, one hundred eighty-nine thousand, one hundred nineteen".