51473201705 has 16 divisors (see below), whose sum is σ = 62942443200. Its totient is φ = 40395720768.

The previous prime is 51473201671. The next prime is 51473201707. The reversal of 51473201705 is 50710237415.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51473201705 is a prime.

It is a super-2 number, since 2×51473201705² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51473201707) 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, 3091934 + ... + 3108536.

It is an arithmetic number, because the mean of its divisors is an integer number (3933902700).

Almost surely, 2^51473201705 is an apocalyptic number.

It is an amenable number.

51473201705 is a deficient number, since it is larger than the sum of its proper divisors (11469241495).

51473201705 is a wasteful number, since it uses less digits than its factorization.

51473201705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28360.

The product of its (nonzero) digits is 29400, while the sum is 35.

The spelling of 51473201705 in words is "fifty-one billion, four hundred seventy-three million, two hundred one thousand, seven hundred five".