90649035783 has 18 divisors (see below), whose sum is σ = 133732535664. Its totient is φ = 59142848232.

The previous prime is 90649035781. The next prime is 90649035803. The reversal of 90649035783 is 38753094609.

90649035783 is a `hidden beast` number, since 9 + 0 + 64 + 9 + 0 + 3 + 578 + 3 = 666.

It is not a de Polignac number, because 90649035783 - 2¹ = 90649035781 is a prime.

It is a super-2 number, since 2×90649035783² (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 (90649035781) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6184978 + ... + 6199616.

Almost surely, 2^90649035783 is an apocalyptic number.

90649035783 is a deficient number, since it is larger than the sum of its proper divisors (43083499881).

90649035783 is an frugal number, since it uses more digits than its factorization.

90649035783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29331 (or 14689 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 90649035783 in words is "ninety billion, six hundred forty-nine million, thirty-five thousand, seven hundred eighty-three".