3493481889 has 16 divisors (see below), whose sum is σ = 4692928640. Its totient is φ = 2311545600.

The previous prime is 3493481843. The next prime is 3493481899. The reversal of 3493481889 is 9881843943.

It is not a de Polignac number, because 3493481889 - 2²⁰ = 3492433313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3493481899) 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, 471564 + ... + 478914.

It is an arithmetic number, because the mean of its divisors is an integer number (293308040).

Almost surely, 2^3493481889 is an apocalyptic number.

It is an amenable number.

3493481889 is a deficient number, since it is larger than the sum of its proper divisors (1199446751).

3493481889 is a wasteful number, since it uses less digits than its factorization.

3493481889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8520.

The product of its digits is 5971968, while the sum is 57.

The square root of 3493481889 is about 59105.6840667630. The cubic root of 3493481889 is about 1517.3513848165.

The spelling of 3493481889 in words is "three billion, four hundred ninety-three million, four hundred eighty-one thousand, eight hundred eighty-nine".