90334510249 has 3 divisors (see below), whose sum is σ = 90334810807. Its totient is φ = 90334209692.

The previous prime is 90334510243. The next prime is 90334510303. The reversal of 90334510249 is 94201543309.

The square root of 90334510249 is 300557.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 44738595225 + 45595915024 = 211515^2 + 213532^2 .

It is not a de Polignac number, because 90334510249 - 2⁹ = 90334509737 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90334510243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 150279 + ... + 450835.

Almost surely, 2^90334510249 is an apocalyptic number.

90334510249 is the 300557-th square number.

90334510249 is the 150279-th centered octagonal number.

It is an amenable number.

90334510249 is a deficient number, since it is larger than the sum of its proper divisors (300558).

90334510249 is an frugal number, since it uses more digits than its factorization.

90334510249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601114 (or 300557 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 90334510249 in words is "ninety billion, three hundred thirty-four million, five hundred ten thousand, two hundred forty-nine".