90944809119 has 72 divisors (see below), whose sum is σ = 140999547312. Its totient is φ = 56467756800.

The previous prime is 90944809097. The next prime is 90944809141. The reversal of 90944809119 is 91190844909.

It is an interprime number because it is at equal distance from previous prime (90944809097) and next prime (90944809141).

It is not a de Polignac number, because 90944809119 - 2⁷ = 90944808991 is a prime.

It is a super-2 number, since 2×90944809119² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90944809159) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 129735469 + ... + 129736169.

It is an arithmetic number, because the mean of its divisors is an integer number (1958327046).

Almost surely, 2^90944809119 is an apocalyptic number.

90944809119 is a deficient number, since it is larger than the sum of its proper divisors (50054738193).

90944809119 is a wasteful number, since it uses less digits than its factorization.

90944809119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365 (or 1343 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The spelling of 90944809119 in words is "ninety billion, nine hundred forty-four million, eight hundred nine thousand, one hundred nineteen".