1499518901 has 2 divisors, whose sum is σ = 1499518902. Its totient is φ = 1499518900.

The previous prime is 1499518883. The next prime is 1499518913. The reversal of 1499518901 is 1098159941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1172994001 + 326524900 = 34249^2 + 18070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1499518901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1499518961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749759450 + 749759451.

It is an arithmetic number, because the mean of its divisors is an integer number (749759451).

Almost surely, 2^1499518901 is an apocalyptic number.

It is an amenable number.

1499518901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1499518901 is an equidigital number, since it uses as much as digits as its factorization.

1499518901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 47.

The square root of 1499518901 is about 38723.6220025968. The cubic root of 1499518901 is about 1144.5918470498.

The spelling of 1499518901 in words is "one billion, four hundred ninety-nine million, five hundred eighteen thousand, nine hundred one".