3749722546 has 16 divisors (see below), whose sum is σ = 5795112600. Its totient is φ = 1818813568.

The previous prime is 3749722513. The next prime is 3749722547. The reversal of 3749722546 is 6452279473.

3749722546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3112412521 + 637310025 = 55789^2 + 25245^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3749722546.

It is not an unprimeable number, because it can be changed into a prime (3749722547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189301 + ... + 208168.

Almost surely, 2^3749722546 is an apocalyptic number.

3749722546 is a deficient number, since it is larger than the sum of its proper divisors (2045390054).

3749722546 is a wasteful number, since it uses less digits than its factorization.

3749722546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397613.

The product of its digits is 2540160, while the sum is 49.

The square root of 3749722546 is about 61234.9781252513. The cubic root of 3749722546 is about 1553.5779358502.

The spelling of 3749722546 in words is "three billion, seven hundred forty-nine million, seven hundred twenty-two thousand, five hundred forty-six".