1053648739 has 16 divisors (see below), whose sum is σ = 1277789184. Its totient is φ = 855655200.

The previous prime is 1053648707. The next prime is 1053648749. The reversal of 1053648739 is 9378463501.

It is a cyclic number.

It is not a de Polignac number, because 1053648739 - 2⁵ = 1053648707 is a prime.

It is a super-2 number, since 2×1053648739² = 2220351330392580242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053648749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114409 + ... + 123274.

It is an arithmetic number, because the mean of its divisors is an integer number (79861824).

Almost surely, 2^1053648739 is an apocalyptic number.

1053648739 is a deficient number, since it is larger than the sum of its proper divisors (224140445).

1053648739 is a wasteful number, since it uses less digits than its factorization.

1053648739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237738.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 1053648739 is about 32459.9559303459. The cubic root of 1053648739 is about 1017.5723179447.

The spelling of 1053648739 in words is "one billion, fifty-three million, six hundred forty-eight thousand, seven hundred thirty-nine".