1499360897 has 2 divisors, whose sum is σ = 1499360898. Its totient is φ = 1499360896.

The previous prime is 1499360881. The next prime is 1499360899. The reversal of 1499360897 is 7980639941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 926045761 + 573315136 = 30431^2 + 23944^2 .

It is an emirp because it is prime and its reverse (7980639941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1499360897 - 2⁴ = 1499360881 is a prime.

Together with 1499360899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1499360899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749680448 + 749680449.

It is an arithmetic number, because the mean of its divisors is an integer number (749680449).

Almost surely, 2^1499360897 is an apocalyptic number.

It is an amenable number.

1499360897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1499360897 is an equidigital number, since it uses as much as digits as its factorization.

1499360897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The square root of 1499360897 is about 38721.5817987850. The cubic root of 1499360897 is about 1144.5516438347.

The spelling of 1499360897 in words is "one billion, four hundred ninety-nine million, three hundred sixty thousand, eight hundred ninety-seven".