90213643194671 has 8 divisors (see below), whose sum is σ = 91262938287360. Its totient is φ = 89170066331928.

The previous prime is 90213643194593. The next prime is 90213643194677. The reversal of 90213643194671 is 17649134631209.

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 90213643194671 - 2³⁴ = 90196463325487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90213643194677) 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, 1429525751 + ... + 1429588856.

It is an arithmetic number, because the mean of its divisors is an integer number (11407867285920).

Almost surely, 2^{90213643194671} is an apocalyptic number.

90213643194671 is a deficient number, since it is larger than the sum of its proper divisors (1049295092689).

90213643194671 is a wasteful number, since it uses less digits than its factorization.

90213643194671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859114973.

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 90213643194671 in words is "ninety trillion, two hundred thirteen billion, six hundred forty-three million, one hundred ninety-four thousand, six hundred seventy-one".