8121945062 has 32 divisors (see below), whose sum is σ = 15193419264. Its totient is φ = 3163492800.

The previous prime is 8121945053. The next prime is 8121945071. The reversal of 8121945062 is 2605491218.

It is an interprime number because it is at equal distance from previous prime (8121945053) and next prime (8121945071).

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, 856298 + ... + 865730.

It is an arithmetic number, because the mean of its divisors is an integer number (474794352).

Almost surely, 2^8121945062 is an apocalyptic number.

8121945062 is a deficient number, since it is larger than the sum of its proper divisors (7071474202).

8121945062 is a wasteful number, since it uses less digits than its factorization.

8121945062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15044.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 8121945062 is about 90121.8345463518. The cubic root of 8121945062 is about 2010.1108873422.

The spelling of 8121945062 in words is "eight billion, one hundred twenty-one million, nine hundred forty-five thousand, sixty-two".