51428563241 has 16 divisors (see below), whose sum is σ = 59326235136. Its totient is φ = 44141520000.

The previous prime is 51428563223. The next prime is 51428563243. The reversal of 51428563241 is 14236582415.

It is not a de Polignac number, because 51428563241 - 2¹⁴ = 51428546857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51428563243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1825250 + ... + 1853211.

It is an arithmetic number, because the mean of its divisors is an integer number (3707889696).

Almost surely, 2^51428563241 is an apocalyptic number.

It is an amenable number.

51428563241 is a deficient number, since it is larger than the sum of its proper divisors (7897671895).

51428563241 is a wasteful number, since it uses less digits than its factorization.

51428563241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678544.

The product of its digits is 230400, while the sum is 41.

The spelling of 51428563241 in words is "fifty-one billion, four hundred twenty-eight million, five hundred sixty-three thousand, two hundred forty-one".