3628930491 has 40 divisors (see below), whose sum is σ = 5504241600. Its totient is φ = 2382307200.

The previous prime is 3628930471. The next prime is 3628930507. The reversal of 3628930491 is 1940398263.

It is a happy number.

It is not a de Polignac number, because 3628930491 - 2³¹ = 1481446843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3628930421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4485295 + ... + 4486103.

It is an arithmetic number, because the mean of its divisors is an integer number (137606040).

Almost surely, 2^3628930491 is an apocalyptic number.

3628930491 is a deficient number, since it is larger than the sum of its proper divisors (1875311109).

3628930491 is an equidigital number, since it uses as much as digits as its factorization.

3628930491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601 (or 1592 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 3628930491 is about 60240.6050019420. The cubic root of 3628930491 is about 1536.7134175234.

The spelling of 3628930491 in words is "three billion, six hundred twenty-eight million, nine hundred thirty thousand, four hundred ninety-one".