3749722545 has 16 divisors (see below), whose sum is σ = 6260406912. Its totient is φ = 1912901760.

The previous prime is 3749722513. The next prime is 3749722547. The reversal of 3749722545 is 5452279473.

3749722545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3749722545 - 2⁵ = 3749722513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3749722494 and 3749722503.

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 15 ways as a sum of consecutive naturals, for example, 5434036 + ... + 5434725.

It is an arithmetic number, because the mean of its divisors is an integer number (391275432).

Almost surely, 2^3749722545 is an apocalyptic number.

It is an amenable number.

3749722545 is a deficient number, since it is larger than the sum of its proper divisors (2510684367).

3749722545 is a wasteful number, since it uses less digits than its factorization.

3749722545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10868792.

The product of its digits is 2116800, while the sum is 48.

The square root of 3749722545 is about 61234.9781170860. The cubic root of 3749722545 is about 1553.5779357121.

The spelling of 3749722545 in words is "three billion, seven hundred forty-nine million, seven hundred twenty-two thousand, five hundred forty-five".