1499744501 has 2 divisors, whose sum is σ = 1499744502. Its totient is φ = 1499744500.

The previous prime is 1499744387. The next prime is 1499744503. The reversal of 1499744501 is 1054479941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1387935025 + 111809476 = 37255^2 + 10574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1499744501 is a prime.

Together with 1499744503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1499744503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749872250 + 749872251.

It is an arithmetic number, because the mean of its divisors is an integer number (749872251).

Almost surely, 2^1499744501 is an apocalyptic number.

It is an amenable number.

1499744501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1499744501 is an equidigital number, since it uses as much as digits as its factorization.

1499744501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 1499744501 is about 38726.5348436960. The cubic root of 1499744501 is about 1144.6492447863.

The spelling of 1499744501 in words is "one billion, four hundred ninety-nine million, seven hundred forty-four thousand, five hundred one".