3669137444 has 36 divisors (see below), whose sum is σ = 7475576220. Its totient is φ = 1571169600.

The previous prime is 3669137441. The next prime is 3669137501. The reversal of 3669137444 is 4447319663.

It can be written as a sum of positive squares in 2 ways, for example, as 321126400 + 3348011044 = 17920^2 + 57862^2 .

It is not an unprimeable number, because it can be changed into a prime (3669137441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247802 + ... + 262190.

It is an arithmetic number, because the mean of its divisors is an integer number (207654895).

Almost surely, 2^3669137444 is an apocalyptic number.

It is an amenable number.

3669137444 is an abundant number, since it is smaller than the sum of its proper divisors (3806438776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3669137444 is a wasteful number, since it uses less digits than its factorization.

3669137444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15708 (or 15699 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 47.

The square root of 3669137444 is about 60573.4054185498. The cubic root of 3669137444 is about 1542.3679548843.

The spelling of 3669137444 in words is "three billion, six hundred sixty-nine million, one hundred thirty-seven thousand, four hundred forty-four".