3729791049 has 4 divisors (see below), whose sum is σ = 4973054736. Its totient is φ = 2486527364.

The previous prime is 3729791027. The next prime is 3729791057. The reversal of 3729791049 is 9401979273.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3729791049 - 2⁸ = 3729790793 is a prime.

It is a super-3 number, since 3×3729791049³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 3729790992 and 3729791010.

It is not an unprimeable number, because it can be changed into a prime (3729791249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621631839 + ... + 621631844.

It is an arithmetic number, because the mean of its divisors is an integer number (1243263684).

Almost surely, 2^3729791049 is an apocalyptic number.

It is an amenable number.

3729791049 is a deficient number, since it is larger than the sum of its proper divisors (1243263687).

3729791049 is a wasteful number, since it uses less digits than its factorization.

3729791049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243263686.

The product of its (nonzero) digits is 857304, while the sum is 51.

The square root of 3729791049 is about 61072.0152688611. The cubic root of 3729791049 is about 1550.8203841634.

The spelling of 3729791049 in words is "three billion, seven hundred twenty-nine million, seven hundred ninety-one thousand, forty-nine".