1930136325569 has 4 divisors (see below), whose sum is σ = 1982302172244. Its totient is φ = 1877970478896.

The previous prime is 1930136325563. The next prime is 1930136325653. The reversal of 1930136325569 is 9655236310391.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1071432010000 + 858704315569 = 1035100^2 + 926663^2 .

It is a cyclic number.

It is not a de Polignac number, because 1930136325569 - 2²⁸ = 1929867890113 is a prime.

It is a super-2 number, since 2×1930136325569² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1930136325569.

It is not an unprimeable number, because it can be changed into a prime (1930136325563) 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, 26082923282 + ... + 26082923355.

It is an arithmetic number, because the mean of its divisors is an integer number (495575543061).

Almost surely, 2^{1930136325569} is an apocalyptic number.

It is an amenable number.

1930136325569 is a deficient number, since it is larger than the sum of its proper divisors (52165846675).

1930136325569 is an equidigital number, since it uses as much as digits as its factorization.

1930136325569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52165846674.

The product of its (nonzero) digits is 3936600, while the sum is 53.

The spelling of 1930136325569 in words is "one trillion, nine hundred thirty billion, one hundred thirty-six million, three hundred twenty-five thousand, five hundred sixty-nine".