3309989697 has 64 divisors (see below), whose sum is σ = 5802557440. Its totient is φ = 1825322688.

The previous prime is 3309989671. The next prime is 3309989701. The reversal of 3309989697 is 7969899033.

It is not a de Polignac number, because 3309989697 - 2⁷ = 3309989569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3309989497) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 886248 + ... + 889974.

It is an arithmetic number, because the mean of its divisors is an integer number (90664960).

Almost surely, 2^3309989697 is an apocalyptic number.

3309989697 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3309989697 is a deficient number, since it is larger than the sum of its proper divisors (2492567743).

3309989697 is a wasteful number, since it uses less digits than its factorization.

3309989697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907 (or 3901 counting only the distinct ones).

The product of its (nonzero) digits is 19840464, while the sum is 63.

The square root of 3309989697 is about 57532.5099139608. The cubic root of 3309989697 is about 1490.3063341747.

The spelling of 3309989697 in words is "three billion, three hundred nine million, nine hundred eighty-nine thousand, six hundred ninety-seven".