1252513876389 has 8 divisors (see below), whose sum is σ = 1686553338912. Its totient is φ = 826741832400.

The previous prime is 1252513876379. The next prime is 1252513876409. The reversal of 1252513876389 is 9836783152521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1252513876389 - 2¹³ = 1252513868197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252513876379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2066854279 + ... + 2066854884.

It is an arithmetic number, because the mean of its divisors is an integer number (210819167364).

Almost surely, 2^{1252513876389} is an apocalyptic number.

It is an amenable number.

1252513876389 is a deficient number, since it is larger than the sum of its proper divisors (434039462523).

1252513876389 is a wasteful number, since it uses less digits than its factorization.

1252513876389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133709267.

The product of its digits is 21772800, while the sum is 60.

The spelling of 1252513876389 in words is "one trillion, two hundred fifty-two billion, five hundred thirteen million, eight hundred seventy-six thousand, three hundred eighty-nine".