1364646490 has 16 divisors (see below), whose sum is σ = 2470565448. Its totient is φ = 542702656.

The previous prime is 1364646487. The next prime is 1364646631. The reversal of 1364646490 is 946464631.

It can be written as a sum of positive squares in 4 ways, for example, as 960194169 + 404452321 = 30987^2 + 20111^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392677 + ... + 396136.

Almost surely, 2^1364646490 is an apocalyptic number.

1364646490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1364646490 is a deficient number, since it is larger than the sum of its proper divisors (1105918958).

1364646490 is a wasteful number, since it uses less digits than its factorization.

1364646490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788993.

The product of its (nonzero) digits is 373248, while the sum is 43.

The square root of 1364646490 is about 36941.1219374832. The cubic root of 1364646490 is about 1109.1919801920.

The spelling of 1364646490 in words is "one billion, three hundred sixty-four million, six hundred forty-six thousand, four hundred ninety".