3697142194 has 8 divisors (see below), whose sum is σ = 5695597548. Its totient is φ = 1798609680.

The previous prime is 3697142191. The next prime is 3697142213. The reversal of 3697142194 is 4912417963.

It can be written as a sum of positive squares in 2 ways, for example, as 2657918025 + 1039224169 = 51555^2 + 32237^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3697142191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24980617 + ... + 24980764.

Almost surely, 2^3697142194 is an apocalyptic number.

3697142194 is a deficient number, since it is larger than the sum of its proper divisors (1998455354).

3697142194 is a wasteful number, since it uses less digits than its factorization.

3697142194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49961420.

The product of its digits is 326592, while the sum is 46.

The square root of 3697142194 is about 60804.1297446152. The cubic root of 3697142194 is about 1546.2820628763.

The spelling of 3697142194 in words is "three billion, six hundred ninety-seven million, one hundred forty-two thousand, one hundred ninety-four".