3427742865 has 16 divisors (see below), whose sum is σ = 5486040000. Its totient is φ = 1827579072.

The previous prime is 3427742837. The next prime is 3427742869. The reversal of 3427742865 is 5682477243.

It is not a de Polignac number, because 3427742865 - 2²² = 3423548561 is a prime.

It is a super-2 number, since 2×3427742865² = 23498842297116816450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3427742869) 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, 19831 + ... + 85139.

It is an arithmetic number, because the mean of its divisors is an integer number (342877500).

Almost surely, 2^3427742865 is an apocalyptic number.

It is an amenable number.

3427742865 is a deficient number, since it is larger than the sum of its proper divisors (2058297135).

3427742865 is a wasteful number, since it uses less digits than its factorization.

3427742865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68816.

The product of its digits is 2257920, while the sum is 48.

The square root of 3427742865 is about 58546.9287409681. The cubic root of 3427742865 is about 1507.7734043141.

The spelling of 3427742865 in words is "three billion, four hundred twenty-seven million, seven hundred forty-two thousand, eight hundred sixty-five".