51407324258 has 4 divisors (see below), whose sum is σ = 77110986390. Its totient is φ = 25703662128.

The previous prime is 51407324209. The next prime is 51407324261. The reversal of 51407324258 is 85242370415.

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

It can be written as a sum of positive squares in only one way, i.e., 30215825929 + 21191498329 = 173827^2 + 145573^2 .

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 as a sum of consecutive naturals, namely, 12851831063 + ... + 12851831066.

Almost surely, 2^51407324258 is an apocalyptic number.

51407324258 is a deficient number, since it is larger than the sum of its proper divisors (25703662132).

51407324258 is a wasteful number, since it uses less digits than its factorization.

51407324258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25703662131.

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 51407324258 in words is "fifty-one billion, four hundred seven million, three hundred twenty-four thousand, two hundred fifty-eight".