3108742438 has 4 divisors (see below), whose sum is σ = 4663113660. Its totient is φ = 1554371218.

The previous prime is 3108742433. The next prime is 3108742459. The reversal of 3108742438 is 8342478013.

3108742438 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, and also an emirpimes, since its reverse is a distinct semiprime: 8342478013 = 28183 ⋅296011.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3108742438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3108742433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777185608 + ... + 777185611.

It is an arithmetic number, because the mean of its divisors is an integer number (1165778415).

Almost surely, 2^3108742438 is an apocalyptic number.

3108742438 is a deficient number, since it is larger than the sum of its proper divisors (1554371222).

3108742438 is a wasteful number, since it uses less digits than its factorization.

3108742438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554371221.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 3108742438 is about 55756.0977651772. The cubic root of 3108742438 is about 1459.4691317591.

The spelling of 3108742438 in words is "three billion, one hundred eight million, seven hundred forty-two thousand, four hundred thirty-eight".