1464697490 has 16 divisors (see below), whose sum is σ = 2727368280. Its totient is φ = 565676160.

The previous prime is 1464697471. The next prime is 1464697499. The reversal of 1464697490 is 947964641.

It can be written as a sum of positive squares in 4 ways, for example, as 1364637481 + 100060009 = 36941^2 + 10003^2 .

It is not an unprimeable number, because it can be changed into a prime (1464697499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2525051 + ... + 2525630.

Almost surely, 2^1464697490 is an apocalyptic number.

1464697490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1464697490 is a deficient number, since it is larger than the sum of its proper divisors (1262670790).

1464697490 is a wasteful number, since it uses less digits than its factorization.

1464697490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050717.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 1464697490 is about 38271.3664506508. The cubic root of 1464697490 is about 1135.6625705693.

The spelling of 1464697490 in words is "one billion, four hundred sixty-four million, six hundred ninety-seven thousand, four hundred ninety".