90504397504294 has 4 divisors (see below), whose sum is σ = 135756596256444. Its totient is φ = 45252198752146.

The previous prime is 90504397504291. The next prime is 90504397504303. The reversal of 90504397504294 is 49240579340509.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90504397504291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22626099376072 + ... + 22626099376075.

It is an arithmetic number, because the mean of its divisors is an integer number (33939149064111).

Almost surely, 2^{90504397504294} is an apocalyptic number.

90504397504294 is a deficient number, since it is larger than the sum of its proper divisors (45252198752150).

90504397504294 is a wasteful number, since it uses less digits than its factorization.

90504397504294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45252198752149.

The product of its (nonzero) digits is 48988800, while the sum is 61.

The spelling of 90504397504294 in words is "ninety trillion, five hundred four billion, three hundred ninety-seven million, five hundred four thousand, two hundred ninety-four".