252763901389 has 8 divisors (see below), whose sum is σ = 277635407040. Its totient is φ = 229049210016.

The previous prime is 252763901353. The next prime is 252763901393. The reversal of 252763901389 is 983109367252.

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

It is a cyclic number.

It is not a de Polignac number, because 252763901389 - 2⁷ = 252763901261 is a prime.

It is a super-2 number, since 2×252763901389² (a number of 24 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 (252763901189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289203112 + ... + 289203985.

It is an arithmetic number, because the mean of its divisors is an integer number (34704425880).

Almost surely, 2^252763901389 is an apocalyptic number.

It is an amenable number.

252763901389 is a deficient number, since it is larger than the sum of its proper divisors (24871505651).

252763901389 is a wasteful number, since it uses less digits than its factorization.

252763901389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578407139.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 252763901389 in words is "two hundred fifty-two billion, seven hundred sixty-three million, nine hundred one thousand, three hundred eighty-nine".