499507693 has 2 divisors, whose sum is σ = 499507694. Its totient is φ = 499507692.

The previous prime is 499507627. The next prime is 499507703. The reversal of 499507693 is 396705994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 469892329 + 29615364 = 21677^2 + 5442^2 .

It is a cyclic number.

It is not a de Polignac number, because 499507693 - 2⁹ = 499507181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 499507693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (499507193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249753846 + 249753847.

It is an arithmetic number, because the mean of its divisors is an integer number (249753847).

Almost surely, 2^499507693 is an apocalyptic number.

It is an amenable number.

499507693 is a deficient number, since it is larger than the sum of its proper divisors (1).

499507693 is an equidigital number, since it uses as much as digits as its factorization.

499507693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1837080, while the sum is 52.

The square root of 499507693 is about 22349.6687447488. The cubic root of 499507693 is about 793.4399442247.

The spelling of 499507693 in words is "four hundred ninety-nine million, five hundred seven thousand, six hundred ninety-three".