1499536369 has 2 divisors, whose sum is σ = 1499536370. Its totient is φ = 1499536368.

The previous prime is 1499536361. The next prime is 1499536387. The reversal of 1499536369 is 9636359941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 859193344 + 640343025 = 29312^2 + 25305^2 .

It is a cyclic number.

It is not a de Polignac number, because 1499536369 - 2³ = 1499536361 is a prime.

It is a super-2 number, since 2×1499536369² = 4497218643907408322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1499536361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749768184 + 749768185.

It is an arithmetic number, because the mean of its divisors is an integer number (749768185).

Almost surely, 2^1499536369 is an apocalyptic number.

It is an amenable number.

1499536369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1499536369 is an equidigital number, since it uses as much as digits as its factorization.

1499536369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4723920, while the sum is 55.

The square root of 1499536369 is about 38723.8475490233. The cubic root of 1499536369 is about 1144.5962915092.

The spelling of 1499536369 in words is "one billion, four hundred ninety-nine million, five hundred thirty-six thousand, three hundred sixty-nine".