1052379635569 has 2 divisors, whose sum is σ = 1052379635570. Its totient is φ = 1052379635568.

The previous prime is 1052379635563. The next prime is 1052379635591. The reversal of 1052379635569 is 9655369732501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 989899633969 + 62480001600 = 994937^2 + 249960^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052379635569 - 2²¹ = 1052377538417 is a prime.

It is a super-2 number, since 2×1052379635569² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1052379635563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526189817784 + 526189817785.

It is an arithmetic number, because the mean of its divisors is an integer number (526189817785).

Almost surely, 2^{1052379635569} is an apocalyptic number.

It is an amenable number.

1052379635569 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052379635569 is an equidigital number, since it uses as much as digits as its factorization.

1052379635569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45927000, while the sum is 61.

The spelling of 1052379635569 in words is "one trillion, fifty-two billion, three hundred seventy-nine million, six hundred thirty-five thousand, five hundred sixty-nine".