499974973 has 2 divisors, whose sum is σ = 499974974. Its totient is φ = 499974972.

The previous prime is 499974929. The next prime is 499974977. The reversal of 499974973 is 379479994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331312804 + 168662169 = 18202^2 + 12987^2 .

It is a cyclic number.

It is not a de Polignac number, because 499974973 - 2²⁵ = 466420541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499974977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249987486 + 249987487.

It is an arithmetic number, because the mean of its divisors is an integer number (249987487).

Almost surely, 2^499974973 is an apocalyptic number.

It is an amenable number.

499974973 is a deficient number, since it is larger than the sum of its proper divisors (1).

499974973 is an equidigital number, since it uses as much as digits as its factorization.

499974973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15431472, while the sum is 61.

The square root of 499974973 is about 22360.1201472622. The cubic root of 499974973 is about 793.6872831344.

The spelling of 499974973 in words is "four hundred ninety-nine million, nine hundred seventy-four thousand, nine hundred seventy-three".