2398987545 has 48 divisors (see below), whose sum is σ = 3994433856. Its totient is φ = 1229385600.

The previous prime is 2398987541. The next prime is 2398987553. The reversal of 2398987545 is 5457898932.

It is not a de Polignac number, because 2398987545 - 2² = 2398987541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2398987541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2349135 + ... + 2350155.

It is an arithmetic number, because the mean of its divisors is an integer number (83217372).

Almost surely, 2^2398987545 is an apocalyptic number.

It is an amenable number.

2398987545 is a deficient number, since it is larger than the sum of its proper divisors (1595446311).

2398987545 is a wasteful number, since it uses less digits than its factorization.

2398987545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254 (or 1223 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 60.

The square root of 2398987545 is about 48979.4604400661. The cubic root of 2398987545 is about 1338.6776040346.

The spelling of 2398987545 in words is "two billion, three hundred ninety-eight million, nine hundred eighty-seven thousand, five hundred forty-five".