1490898975 has 12 divisors (see below), whose sum is σ = 2464953096. Its totient is φ = 795146080.

The previous prime is 1490898947. The next prime is 1490898989. The reversal of 1490898975 is 5798980941.

It is not a de Polignac number, because 1490898975 - 2²⁶ = 1423790111 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9939252 + ... + 9939401.

It is an arithmetic number, because the mean of its divisors is an integer number (205412758).

Almost surely, 2^1490898975 is an apocalyptic number.

1490898975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1490898975 is a deficient number, since it is larger than the sum of its proper divisors (974054121).

1490898975 is a wasteful number, since it uses less digits than its factorization.

1490898975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19878666 (or 19878661 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 60.

The square root of 1490898975 is about 38612.1609729370. The cubic root of 1490898975 is about 1142.3944171575.

The spelling of 1490898975 in words is "one billion, four hundred ninety million, eight hundred ninety-eight thousand, nine hundred seventy-five".