90219372361 has 8 divisors (see below), whose sum is σ = 99096793920. Its totient is φ = 81754854192.

The previous prime is 90219372359. The next prime is 90219372391. The reversal of 90219372361 is 16327391209.

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 90219372361 - 2¹ = 90219372359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90219372301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103225390 + ... + 103226263.

It is an arithmetic number, because the mean of its divisors is an integer number (12387099240).

Almost surely, 2^90219372361 is an apocalyptic number.

It is an amenable number.

90219372361 is a deficient number, since it is larger than the sum of its proper divisors (8877421559).

90219372361 is a wasteful number, since it uses less digits than its factorization.

90219372361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206451695.

The product of its (nonzero) digits is 122472, while the sum is 43.

The spelling of 90219372361 in words is "ninety billion, two hundred nineteen million, three hundred seventy-two thousand, three hundred sixty-one".