2523189449 has 8 divisors (see below), whose sum is σ = 2756365248. Its totient is φ = 2290646160.

The previous prime is 2523189437. The next prime is 2523189451. The reversal of 2523189449 is 9449813252.

It is a happy number.

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

It is not a de Polignac number, because 2523189449 - 2¹⁶ = 2523123913 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2523189469) 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, 149762 + ... + 165755.

It is an arithmetic number, because the mean of its divisors is an integer number (344545656).

Almost surely, 2^2523189449 is an apocalyptic number.

It is an amenable number.

2523189449 is a deficient number, since it is larger than the sum of its proper divisors (233175799).

2523189449 is a wasteful number, since it uses less digits than its factorization.

2523189449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316255.

The product of its digits is 622080, while the sum is 47.

The square root of 2523189449 is about 50231.3592191173. The cubic root of 2523189449 is about 1361.3922897456.

The spelling of 2523189449 in words is "two billion, five hundred twenty-three million, one hundred eighty-nine thousand, four hundred forty-nine".