1252433440693 has 8 divisors (see below), whose sum is σ = 1255899351168. Its totient is φ = 1248967820544.

The previous prime is 1252433440669. The next prime is 1252433440721. The reversal of 1252433440693 is 3960443342521.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1252433440693 is a prime.

It is a super-2 number, since 2×1252433440693² (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 (1252433240693) 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, 10817730 + ... + 10932892.

It is an arithmetic number, because the mean of its divisors is an integer number (156987418896).

Almost surely, 2^{1252433440693} is an apocalyptic number.

It is an amenable number.

1252433440693 is a deficient number, since it is larger than the sum of its proper divisors (3465910475).

1252433440693 is a wasteful number, since it uses less digits than its factorization.

1252433440693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145163.

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 1252433440693 in words is "one trillion, two hundred fifty-two billion, four hundred thirty-three million, four hundred forty thousand, six hundred ninety-three".