3537949545 has 72 divisors (see below), whose sum is σ = 6734256984. Its totient is φ = 1708102656.

The previous prime is 3537949529. The next prime is 3537949561. The reversal of 3537949545 is 5459497353.

3537949545 is a `hidden beast` number, since 3 + 5 + 3 + 7 + 94 + 9 + 545 = 666.

3537949545 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3537949529) and next prime (3537949561).

It can be written as a sum of positive squares in 12 ways, for example, as 1417070736 + 2120878809 = 37644^2 + 46053^2 .

It is not a de Polignac number, because 3537949545 - 2⁴ = 3537949529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3537949491 and 3537949500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1642189 + ... + 1644341.

It is an arithmetic number, because the mean of its divisors is an integer number (93531347).

Almost surely, 2^3537949545 is an apocalyptic number.

It is an amenable number.

3537949545 is a deficient number, since it is larger than the sum of its proper divisors (3196307439).

3537949545 is a wasteful number, since it uses less digits than its factorization.

3537949545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283 (or 2227 counting only the distinct ones).

The product of its digits is 10206000, while the sum is 54.

The square root of 3537949545 is about 59480.6653039456. The cubic root of 3537949545 is about 1523.7622557300.

The spelling of 3537949545 in words is "three billion, five hundred thirty-seven million, nine hundred forty-nine thousand, five hundred forty-five".