1052653578239 has 4 divisors (see below), whose sum is σ = 1077133894056. Its totient is φ = 1028173262424.

The previous prime is 1052653578227. The next prime is 1052653578241. The reversal of 1052653578239 is 9328753562501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1052653578239 is a prime.

It is a super-2 number, since 2×1052653578239² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052653578299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12240157844 + ... + 12240157929.

It is an arithmetic number, because the mean of its divisors is an integer number (269283473514).

Almost surely, 2^{1052653578239} is an apocalyptic number.

1052653578239 is a deficient number, since it is larger than the sum of its proper divisors (24480315817).

1052653578239 is an equidigital number, since it uses as much as digits as its factorization.

1052653578239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24480315816.

The product of its (nonzero) digits is 13608000, while the sum is 56.

The spelling of 1052653578239 in words is "one trillion, fifty-two billion, six hundred fifty-three million, five hundred seventy-eight thousand, two hundred thirty-nine".