1490946599 has 4 divisors (see below), whose sum is σ = 1502686464. Its totient is φ = 1479206736.

The previous prime is 1490946593. The next prime is 1490946607. The reversal of 1490946599 is 9956490941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9956490941 = 19 ⋅524025839.

It is a cyclic number.

It is not a de Polignac number, because 1490946599 - 2²⁰ = 1489898023 is a prime.

It is a super-2 number, since 2×1490946599² = 4445843522139333602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490946593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5869742 + ... + 5869995.

It is an arithmetic number, because the mean of its divisors is an integer number (375671616).

Almost surely, 2^1490946599 is an apocalyptic number.

1490946599 is a deficient number, since it is larger than the sum of its proper divisors (11739865).

1490946599 is a wasteful number, since it uses less digits than its factorization.

1490946599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11739864.

The product of its (nonzero) digits is 3149280, while the sum is 56.

The square root of 1490946599 is about 38612.7776649129. Note that the first 3 decimals coincide. The cubic root of 1490946599 is about 1142.4065809176.

The spelling of 1490946599 in words is "one billion, four hundred ninety million, nine hundred forty-six thousand, five hundred ninety-nine".