3448116621 has 20 divisors (see below), whose sum is σ = 5158514592. Its totient is φ = 2295341928.

The previous prime is 3448116593. The next prime is 3448116649. The reversal of 3448116621 is 1266118443.

It is an interprime number because it is at equal distance from previous prime (3448116593) and next prime (3448116649).

It is not a de Polignac number, because 3448116621 - 2⁷ = 3448116493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3448106621) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24160 + ... + 86486.

Almost surely, 2^3448116621 is an apocalyptic number.

It is an amenable number.

3448116621 is a deficient number, since it is larger than the sum of its proper divisors (1710397971).

3448116621 is an equidigital number, since it uses as much as digits as its factorization.

3448116621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63022 (or 63013 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 3448116621 is about 58720.6660469719. Note that the first 3 decimals coincide. The cubic root of 3448116621 is about 1510.7547972667.

The spelling of 3448116621 in words is "three billion, four hundred forty-eight million, one hundred sixteen thousand, six hundred twenty-one".