3611749938 has 32 divisors (see below), whose sum is σ = 7934284800. Its totient is φ = 1090962576.

The previous prime is 3611749937. The next prime is 3611749991. The reversal of 3611749938 is 8399471163.

It is a super-2 number, since 2×3611749938² = 26089475229286007688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3611749937) 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, 686118 + ... + 691361.

It is an arithmetic number, because the mean of its divisors is an integer number (247946400).

Almost surely, 2^3611749938 is an apocalyptic number.

3611749938 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3611749938 is an abundant number, since it is smaller than the sum of its proper divisors (4322534862).

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

3611749938 is a wasteful number, since it uses less digits than its factorization.

3611749938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377526.

The product of its digits is 979776, while the sum is 51.

The square root of 3611749938 is about 60097.8363836836. The cubic root of 3611749938 is about 1534.2844777465.

The spelling of 3611749938 in words is "three billion, six hundred eleven million, seven hundred forty-nine thousand, nine hundred thirty-eight".