3961892245 has 16 divisors (see below), whose sum is σ = 5055022080. Its totient is φ = 2970575104.

The previous prime is 3961892201. The next prime is 3961892251. The reversal of 3961892245 is 5422981693.

It is not a de Polignac number, because 3961892245 - 2¹³ = 3961884053 is a prime.

It is a super-2 number, since 2×3961892245² = 31393180321982280050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 77197 + ... + 117826.

It is an arithmetic number, because the mean of its divisors is an integer number (315938880).

Almost surely, 2^3961892245 is an apocalyptic number.

It is an amenable number.

3961892245 is a deficient number, since it is larger than the sum of its proper divisors (1093129835).

3961892245 is a wasteful number, since it uses less digits than its factorization.

3961892245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195284.

The product of its digits is 933120, while the sum is 49.

The square root of 3961892245 is about 62943.5639680500. The cubic root of 3961892245 is about 1582.3439339898.

The spelling of 3961892245 in words is "three billion, nine hundred sixty-one million, eight hundred ninety-two thousand, two hundred forty-five".