3729038426 has 4 divisors (see below), whose sum is σ = 5593557642. Its totient is φ = 1864519212.

The previous prime is 3729038393. The next prime is 3729038429. The reversal of 3729038426 is 6248309273.

3729038426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 2391307801 + 1337730625 = 48901^2 + 36575^2 .

It is not an unprimeable number, because it can be changed into a prime (3729038429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 932259605 + ... + 932259608.

Almost surely, 2^3729038426 is an apocalyptic number.

3729038426 is a deficient number, since it is larger than the sum of its proper divisors (1864519216).

3729038426 is a wasteful number, since it uses less digits than its factorization.

3729038426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864519215.

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 3729038426 is about 61065.8531914523. The cubic root of 3729038426 is about 1550.7160653967.

The spelling of 3729038426 in words is "three billion, seven hundred twenty-nine million, thirty-eight thousand, four hundred twenty-six".