3415720565 has 8 divisors (see below), whose sum is σ = 4104870048. Its totient is φ = 2728572880.

The previous prime is 3415720549. The next prime is 3415720643. The reversal of 3415720565 is 5650275143.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3415720565 - 2⁴ = 3415720549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496691 + ... + 503520.

It is an arithmetic number, because the mean of its divisors is an integer number (513108756).

Almost surely, 2^3415720565 is an apocalyptic number.

It is an amenable number.

3415720565 is a deficient number, since it is larger than the sum of its proper divisors (689149483).

3415720565 is a wasteful number, since it uses less digits than its factorization.

3415720565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000899.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 3415720565 is about 58444.1662187083. The cubic root of 3415720565 is about 1506.0085755058.

The spelling of 3415720565 in words is "three billion, four hundred fifteen million, seven hundred twenty thousand, five hundred sixty-five".