90492959347 has 4 divisors (see below), whose sum is σ = 103420524976. Its totient is φ = 77565393720.

The previous prime is 90492959287. The next prime is 90492959371. The reversal of 90492959347 is 74395929409.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74395929409 = 17321 ⋅4295129.

It is a cyclic number.

It is not a de Polignac number, because 90492959347 - 2¹¹ = 90492957299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90492959047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6463782804 + ... + 6463782817.

It is an arithmetic number, because the mean of its divisors is an integer number (25855131244).

Almost surely, 2^90492959347 is an apocalyptic number.

90492959347 is a deficient number, since it is larger than the sum of its proper divisors (12927565629).

90492959347 is a wasteful number, since it uses less digits than its factorization.

90492959347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12927565628.

The product of its (nonzero) digits is 22044960, while the sum is 61.

The spelling of 90492959347 in words is "ninety billion, four hundred ninety-two million, nine hundred fifty-nine thousand, three hundred forty-seven".