3231126649 has 3 divisors (see below), whose sum is σ = 3231183493. Its totient is φ = 3231069806.

The previous prime is 3231126631. The next prime is 3231126667. The reversal of 3231126649 is 9466211323.

The square root of 3231126649 is 56843.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9466211323 = 41 ⋅230883203.

It is an interprime number because it is at equal distance from previous prime (3231126631) and next prime (3231126667).

It is not a de Polignac number, because 3231126649 - 2¹⁷ = 3230995577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3231124649) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 28422 + ... + 85264.

Almost surely, 2^3231126649 is an apocalyptic number.

3231126649 is the 56843-rd square number.

3231126649 is the 28422-nd centered octagonal number.

It is an amenable number.

3231126649 is a deficient number, since it is larger than the sum of its proper divisors (56844).

3231126649 is an frugal number, since it uses more digits than its factorization.

3231126649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113686 (or 56843 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The cubic root of 3231126649 is about 1478.3751721754.

Multiplying 3231126649 by its product of digits (46656), we get a square (150751444935744 = 12278088²).

The spelling of 3231126649 in words is "three billion, two hundred thirty-one million, one hundred twenty-six thousand, six hundred forty-nine".