1490898051 has 12 divisors (see below), whose sum is σ = 2175721912. Its totient is φ = 983684736.

The previous prime is 1490898049. The next prime is 1490898103. The reversal of 1490898051 is 1508980941.

1490898051 is a `hidden beast` number, since 1 + 490 + 89 + 80 + 5 + 1 = 666.

It is not a de Polignac number, because 1490898051 - 2¹ = 1490898049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1490897988 and 1490898006.

It is not an unprimeable number, because it can be changed into a prime (1490898001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 853021 + ... + 854766.

Almost surely, 2^1490898051 is an apocalyptic number.

1490898051 is a deficient number, since it is larger than the sum of its proper divisors (684823861).

1490898051 is a wasteful number, since it uses less digits than its factorization.

1490898051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707890 (or 1707887 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 1490898051 is about 38612.1490077929. The cubic root of 1490898051 is about 1142.3941811539.

The spelling of 1490898051 in words is "one billion, four hundred ninety million, eight hundred ninety-eight thousand, fifty-one".