90841613939 has 8 divisors (see below), whose sum is σ = 92958454512. Its totient is φ = 88724966400.

The previous prime is 90841613917. The next prime is 90841613957. The reversal of 90841613939 is 93931614809.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90841613939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90841613999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413407 + ... + 1476279.

It is an arithmetic number, because the mean of its divisors is an integer number (11619806814).

Almost surely, 2^90841613939 is an apocalyptic number.

90841613939 is a deficient number, since it is larger than the sum of its proper divisors (2116840573).

90841613939 is a wasteful number, since it uses less digits than its factorization.

90841613939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96517.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 90841613939 in words is "ninety billion, eight hundred forty-one million, six hundred thirteen thousand, nine hundred thirty-nine".