3739849491 has 12 divisors (see below), whose sum is σ = 5800583112. Its totient is φ = 2137056768.

The previous prime is 3739849457. The next prime is 3739849511. The reversal of 3739849491 is 1949489373.

It is not a de Polignac number, because 3739849491 - 2⁹ = 3739848979 is a prime.

It is a super-3 number, since 3×3739849491³ (a number of 30 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3739849411) 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, 12720430 + ... + 12720723.

It is an arithmetic number, because the mean of its divisors is an integer number (483381926).

Almost surely, 2^3739849491 is an apocalyptic number.

3739849491 is a deficient number, since it is larger than the sum of its proper divisors (2060733621).

3739849491 is a wasteful number, since it uses less digits than its factorization.

3739849491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25441170 (or 25441163 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 57.

The square root of 3739849491 is about 61154.3088506444. The cubic root of 3739849491 is about 1552.2132088927.

The spelling of 3739849491 in words is "three billion, seven hundred thirty-nine million, eight hundred forty-nine thousand, four hundred ninety-one".