3729713381 has 2 divisors, whose sum is σ = 3729713382. Its totient is φ = 3729713380.

The previous prime is 3729713347. The next prime is 3729713459. The reversal of 3729713381 is 1833179273.

3729713381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3642122500 + 87590881 = 60350^2 + 9359^2 .

It is a cyclic number.

It is not a de Polignac number, because 3729713381 - 2¹⁸ = 3729451237 is a prime.

It is a super-2 number, since 2×3729713381² = 27821523808820902322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3729713681) 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 as a sum of consecutive naturals, namely, 1864856690 + 1864856691.

It is an arithmetic number, because the mean of its divisors is an integer number (1864856691).

Almost surely, 2^3729713381 is an apocalyptic number.

It is an amenable number.

3729713381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3729713381 is an equidigital number, since it uses as much as digits as its factorization.

3729713381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 44.

The square root of 3729713381 is about 61071.3793932968. The cubic root of 3729713381 is about 1550.8096194894.

The spelling of 3729713381 in words is "three billion, seven hundred twenty-nine million, seven hundred thirteen thousand, three hundred eighty-one".