252409091149 has 8 divisors (see below), whose sum is σ = 267267921408. Its totient is φ = 237551509440.

The previous prime is 252409091147. The next prime is 252409091167. The reversal of 252409091149 is 941190904252.

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 not a de Polignac number, because 252409091149 - 2¹ = 252409091147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252409091099 and 252409091108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252409091147) 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, 121294 + ... + 720784.

It is an arithmetic number, because the mean of its divisors is an integer number (33408490176).

Almost surely, 2^252409091149 is an apocalyptic number.

It is an amenable number.

252409091149 is a deficient number, since it is larger than the sum of its proper divisors (14858830259).

252409091149 is a wasteful number, since it uses less digits than its factorization.

252409091149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624275.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 252409091149 in words is "two hundred fifty-two billion, four hundred nine million, ninety-one thousand, one hundred forty-nine".