3669539157 has 48 divisors (see below), whose sum is σ = 5557734000. Its totient is φ = 2330173440.

The previous prime is 3669539129. The next prime is 3669539207. The reversal of 3669539157 is 7519359663.

3669539157 is a `hidden beast` number, since 36 + 69 + 539 + 15 + 7 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 3721041 + 3665818116 = 1929^2 + 60546^2 .

It is not a de Polignac number, because 3669539157 - 2¹² = 3669535061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3669539057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8172469 + ... + 8172917.

It is an arithmetic number, because the mean of its divisors is an integer number (115786125).

Almost surely, 2^3669539157 is an apocalyptic number.

It is an amenable number.

3669539157 is a deficient number, since it is larger than the sum of its proper divisors (1888194843).

3669539157 is a wasteful number, since it uses less digits than its factorization.

3669539157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 835 counting only the distinct ones).

The product of its digits is 4592700, while the sum is 54.

The square root of 3669539157 is about 60576.7212466967. The cubic root of 3669539157 is about 1542.4242411966.

The spelling of 3669539157 in words is "three billion, six hundred sixty-nine million, five hundred thirty-nine thousand, one hundred fifty-seven".