3718121942 has 8 divisors (see below), whose sum is σ = 5626538856. Its totient is φ = 1842608992.

The previous prime is 3718121933. The next prime is 3718121947. The reversal of 3718121942 is 2491218173.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3718121896 and 3718121905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3718121947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8225708 + ... + 8226159.

It is an arithmetic number, because the mean of its divisors is an integer number (703317357).

Almost surely, 2^3718121942 is an apocalyptic number.

3718121942 is a deficient number, since it is larger than the sum of its proper divisors (1908416914).

3718121942 is a wasteful number, since it uses less digits than its factorization.

3718121942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16451982.

The product of its digits is 24192, while the sum is 38.

The square root of 3718121942 is about 60976.4047972656. The cubic root of 3718121942 is about 1549.2013842246.

The spelling of 3718121942 in words is "three billion, seven hundred eighteen million, one hundred twenty-one thousand, nine hundred forty-two".