3709897047 has 24 divisors (see below), whose sum is σ = 5392781888. Its totient is φ = 2457604800.

The previous prime is 3709897043. The next prime is 3709897067. The reversal of 3709897047 is 7407989073.

It is not a de Polignac number, because 3709897047 - 2² = 3709897043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3709896984 and 3709897002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3709897043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1025013 + ... + 1028625.

Almost surely, 2^3709897047 is an apocalyptic number.

3709897047 is a deficient number, since it is larger than the sum of its proper divisors (1682884841).

3709897047 is a wasteful number, since it uses less digits than its factorization.

With its successor (3709897048) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (4308).

With its successor (3709897048) it forms an eRAP, since the sums of their prime factors are consecutive (4311 and 4312).

3709897047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311 (or 4308 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The square root of 3709897047 is about 60908.9241983472. The cubic root of 3709897047 is about 1548.0582062023.

The spelling of 3709897047 in words is "three billion, seven hundred nine million, eight hundred ninety-seven thousand, forty-seven".