3409897731 has 16 divisors (see below), whose sum is σ = 4703520768. Its totient is φ = 2195092800.

The previous prime is 3409897703. The next prime is 3409897753. The reversal of 3409897731 is 1377989043.

It is not a de Polignac number, because 3409897731 - 2²¹ = 3407800579 is a prime.

It is a super-2 number, since 2×3409897731² = 23254805071757896722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3409897781) 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 15 ways as a sum of consecutive naturals, for example, 2386 + ... + 82616.

It is an arithmetic number, because the mean of its divisors is an integer number (293970048).

Almost surely, 2^3409897731 is an apocalyptic number.

3409897731 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3409897731 is a deficient number, since it is larger than the sum of its proper divisors (1293623037).

3409897731 is a wasteful number, since it uses less digits than its factorization.

3409897731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80722.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 3409897731 is about 58394.3296134137. The cubic root of 3409897731 is about 1505.1523163831.

The spelling of 3409897731 in words is "three billion, four hundred nine million, eight hundred ninety-seven thousand, seven hundred thirty-one".