3750209545 has 16 divisors (see below), whose sum is σ = 4603218768. Its totient is φ = 2932151040.

The previous prime is 3750209527. The next prime is 3750209549. The reversal of 3750209545 is 5459020573.

3750209545 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 8 ways, for example, as 785624841 + 2964584704 = 28029^2 + 54448^2 .

It is not a de Polignac number, because 3750209545 - 2²¹ = 3748112393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3750209498 and 3750209507.

It is not an unprimeable number, because it can be changed into a prime (3750209549) 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, 8727 + ... + 87043.

It is an arithmetic number, because the mean of its divisors is an integer number (287701173).

Almost surely, 2^3750209545 is an apocalyptic number.

It is an amenable number.

3750209545 is a deficient number, since it is larger than the sum of its proper divisors (853009223).

3750209545 is a wasteful number, since it uses less digits than its factorization.

3750209545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78540.

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 3750209545 is about 61238.9544734395. The cubic root of 3750209545 is about 1553.6451904395.

The spelling of 3750209545 in words is "three billion, seven hundred fifty million, two hundred nine thousand, five hundred forty-five".