1490736899 has 2 divisors, whose sum is σ = 1490736900. Its totient is φ = 1490736898.

The previous prime is 1490736859. The next prime is 1490736911. The reversal of 1490736899 is 9986370941.

It is a strong prime.

It is an emirp because it is prime and its reverse (9986370941) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1490736899 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1490736809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745368449 + 745368450.

It is an arithmetic number, because the mean of its divisors is an integer number (745368450).

Almost surely, 2^1490736899 is an apocalyptic number.

1490736899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1490736899 is an equidigital number, since it uses as much as digits as its factorization.

1490736899 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 1490736899 is about 38610.0621470621. The cubic root of 1490736899 is about 1142.3530189965.

The spelling of 1490736899 in words is "one billion, four hundred ninety million, seven hundred thirty-six thousand, eight hundred ninety-nine".