1459643336649 has 27 divisors (see below), whose sum is σ = 2117961020487. Its totient is φ = 968690617344.

The previous prime is 1459643336639. The next prime is 1459643336831. The reversal of 1459643336649 is 9466333469541.

The square root of 1459643336649 is 1208157.

It is a perfect power (a square), and thus also a powerful number.

1459643336649 is a `hidden beast` number, since 1 + 4 + 596 + 4 + 3 + 3 + 36 + 6 + 4 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1437013550025 + 22629786624 = 1198755^2 + 150432^2 .

It is not a de Polignac number, because 1459643336649 - 2⁷ = 1459643336521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1459643336639) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 931488264 + ... + 931489830.

Almost surely, 2^{1459643336649} is an apocalyptic number.

1459643336649 is the 1208157-th square number.

1459643336649 is the 604079-th centered octagonal number.

It is an amenable number.

1459643336649 is a deficient number, since it is larger than the sum of its proper divisors (658317683838).

1459643336649 is an frugal number, since it uses more digits than its factorization.

1459643336649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654 (or 1827 counting only the distinct ones).

The product of its digits is 151165440, while the sum is 63.

The spelling of 1459643336649 in words is "one trillion, four hundred fifty-nine billion, six hundred forty-three million, three hundred thirty-six thousand, six hundred forty-nine".