3718061945 has 8 divisors (see below), whose sum is σ = 4804880136. Its totient is φ = 2745645696.

The previous prime is 3718061927. The next prime is 3718061983. The reversal of 3718061945 is 5491608173.

It can be written as a sum of positive squares in 4 ways, for example, as 355216 + 3717706729 = 596^2 + 60973^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3718061945 - 2¹⁴ = 3718045561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3718061896 and 3718061905.

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, 28600412 + ... + 28600541.

It is an arithmetic number, because the mean of its divisors is an integer number (600610017).

Almost surely, 2^3718061945 is an apocalyptic number.

It is an amenable number.

3718061945 is a deficient number, since it is larger than the sum of its proper divisors (1086818191).

3718061945 is a wasteful number, since it uses less digits than its factorization.

3718061945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57200971.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 3718061945 is about 60975.9128262956. The cubic root of 3718061945 is about 1549.1930513497.

The spelling of 3718061945 in words is "three billion, seven hundred eighteen million, sixty-one thousand, nine hundred forty-five".