51283282963 has 4 divisors (see below), whose sum is σ = 55945399608. Its totient is φ = 46621166320.

The previous prime is 51283282937. The next prime is 51283282969. The reversal of 51283282963 is 36928238215.

It is a happy number.

51283282963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51283282963 - 2¹⁷ = 51283151891 is a prime.

It is a super-2 number, since 2×51283282963² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51283282969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2331058306 + ... + 2331058327.

It is an arithmetic number, because the mean of its divisors is an integer number (13986349902).

Almost surely, 2^51283282963 is an apocalyptic number.

51283282963 is a deficient number, since it is larger than the sum of its proper divisors (4662116645).

51283282963 is a wasteful number, since it uses less digits than its factorization.

51283282963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662116644.

The product of its digits is 1244160, while the sum is 49.

The spelling of 51283282963 in words is "fifty-one billion, two hundred eighty-three million, two hundred eighty-two thousand, nine hundred sixty-three".