252132378349 has 8 divisors (see below), whose sum is σ = 252274746240. Its totient is φ = 251990057856.

The previous prime is 252132378331. The next prime is 252132378353. The reversal of 252132378349 is 943873231252.

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 252132378349 - 2⁵ = 252132378317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252132378049) 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, 16134862 + ... + 16150480.

It is an arithmetic number, because the mean of its divisors is an integer number (31534343280).

Almost surely, 2^252132378349 is an apocalyptic number.

It is an amenable number.

252132378349 is a deficient number, since it is larger than the sum of its proper divisors (142367891).

252132378349 is a wasteful number, since it uses less digits than its factorization.

252132378349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23699.

The product of its digits is 2177280, while the sum is 49.

The spelling of 252132378349 in words is "two hundred fifty-two billion, one hundred thirty-two million, three hundred seventy-eight thousand, three hundred forty-nine".