2391738254 has 4 divisors (see below), whose sum is σ = 3587607384. Its totient is φ = 1195869126.

The previous prime is 2391738253. The next prime is 2391738299. The reversal of 2391738254 is 4528371932.

It is a happy number.

2391738254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391738253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597934562 + ... + 597934565.

It is an arithmetic number, because the mean of its divisors is an integer number (896901846).

Almost surely, 2^2391738254 is an apocalyptic number.

2391738254 is a deficient number, since it is larger than the sum of its proper divisors (1195869130).

2391738254 is a wasteful number, since it uses less digits than its factorization.

2391738254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195869129.

The product of its digits is 362880, while the sum is 44.

The square root of 2391738254 is about 48905.4010718653. The cubic root of 2391738254 is about 1337.3278325454.

The spelling of 2391738254 in words is "two billion, three hundred ninety-one million, seven hundred thirty-eight thousand, two hundred fifty-four".