3729118397 has 4 divisors (see below), whose sum is σ = 3739803900. Its totient is φ = 3718432896.

The previous prime is 3729118373. The next prime is 3729118403. The reversal of 3729118397 is 7938119273.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3417454681 + 311663716 = 58459^2 + 17654^2 .

It is a cyclic number.

It is not a de Polignac number, because 3729118397 - 2⁶ = 3729118333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3729118357) 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, 5342228 + ... + 5342925.

It is an arithmetic number, because the mean of its divisors is an integer number (934950975).

Almost surely, 2^3729118397 is an apocalyptic number.

It is an amenable number.

3729118397 is a deficient number, since it is larger than the sum of its proper divisors (10685503).

3729118397 is a wasteful number, since it uses less digits than its factorization.

3729118397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10685502.

The product of its digits is 571536, while the sum is 50.

The square root of 3729118397 is about 61066.5079810529. The cubic root of 3729118397 is about 1550.7271505983.

The spelling of 3729118397 in words is "three billion, seven hundred twenty-nine million, one hundred eighteen thousand, three hundred ninety-seven".