3109709542 has 16 divisors (see below), whose sum is σ = 4725004752. Its totient is φ = 1534812160.

The previous prime is 3109709501. The next prime is 3109709557. The reversal of 3109709542 is 2459079013.

It is a junction number, because it is equal to n+sod(n) for n = 3109709495 and 3109709504.

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, 34278 + ... + 85990.

It is an arithmetic number, because the mean of its divisors is an integer number (295312797).

Almost surely, 2^3109709542 is an apocalyptic number.

3109709542 is a deficient number, since it is larger than the sum of its proper divisors (1615295210).

3109709542 is a wasteful number, since it uses less digits than its factorization.

3109709542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52103.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 3109709542 is about 55764.7697206758. The cubic root of 3109709542 is about 1459.6204589838.

The spelling of 3109709542 in words is "three billion, one hundred nine million, seven hundred nine thousand, five hundred forty-two".