2397749142 has 16 divisors (see below), whose sum is σ = 4796513280. Its totient is φ = 799080552.

The previous prime is 2397749131. The next prime is 2397749183. The reversal of 2397749142 is 2419477932.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2397749091 and 2397749100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9642 + ... + 69917.

It is an arithmetic number, because the mean of its divisors is an integer number (299782080).

Almost surely, 2^2397749142 is an apocalyptic number.

2397749142 is an abundant number, since it is smaller than the sum of its proper divisors (2398764138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2397749142 is a wasteful number, since it uses less digits than its factorization.

2397749142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84587.

The product of its digits is 762048, while the sum is 48.

The square root of 2397749142 is about 48966.8167435867. The cubic root of 2397749142 is about 1338.4472141058.

The spelling of 2397749142 in words is "two billion, three hundred ninety-seven million, seven hundred forty-nine thousand, one hundred forty-two".