3915249245 has 8 divisors (see below), whose sum is σ = 4708582584. Its totient is φ = 3125343744.

The previous prime is 3915249229. The next prime is 3915249251. The reversal of 3915249245 is 5429425193.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1188111961 + 2727137284 = 34469^2 + 52222^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3915249245 - 2⁴ = 3915249229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3915249196 and 3915249205.

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, 854444 + ... + 859013.

It is an arithmetic number, because the mean of its divisors is an integer number (588572823).

Almost surely, 2^3915249245 is an apocalyptic number.

It is an amenable number.

3915249245 is a deficient number, since it is larger than the sum of its proper divisors (793333339).

3915249245 is a wasteful number, since it uses less digits than its factorization.

3915249245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713919.

The product of its digits is 388800, while the sum is 44.

The square root of 3915249245 is about 62571.9525426528. The cubic root of 3915249245 is about 1576.1098075390.

The spelling of 3915249245 in words is "three billion, nine hundred fifteen million, two hundred forty-nine thousand, two hundred forty-five".