3749525629 has 4 divisors (see below), whose sum is σ = 3749903676. Its totient is φ = 3749147584.

The previous prime is 3749525617. The next prime is 3749525641. The reversal of 3749525629 is 9265259473.

3749525629 is digitally balanced in base 3, 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, and also an emirpimes, since its reverse is a distinct semiprime: 9265259473 = 127 ⋅72954799.

It is an interprime number because it is at equal distance from previous prime (3749525617) and next prime (3749525641).

It can be written as a sum of positive squares in 2 ways, for example, as 2090592729 + 1658932900 = 45723^2 + 40730^2 .

It is a cyclic number.

It is not a de Polignac number, because 3749525629 - 2⁷ = 3749525501 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 (3749525699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173734 + ... + 194119.

It is an arithmetic number, because the mean of its divisors is an integer number (937475919).

Almost surely, 2^3749525629 is an apocalyptic number.

It is an amenable number.

3749525629 is a deficient number, since it is larger than the sum of its proper divisors (378047).

3749525629 is a wasteful number, since it uses less digits than its factorization.

3749525629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378046.

The product of its digits is 4082400, while the sum is 52.

The square root of 3749525629 is about 61233.3702240861. The cubic root of 3749525629 is about 1553.5507399481.

The spelling of 3749525629 in words is "three billion, seven hundred forty-nine million, five hundred twenty-five thousand, six hundred twenty-nine".