51701274849 has 16 divisors (see below), whose sum is σ = 81499547520. Its totient is φ = 28524840960.

The previous prime is 51701274841. The next prime is 51701274857. The reversal of 51701274849 is 94847210715.

It is an interprime number because it is at equal distance from previous prime (51701274841) and next prime (51701274857).

It is not a de Polignac number, because 51701274849 - 2³ = 51701274841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51701274798 and 51701274807.

It is not an unprimeable number, because it can be changed into a prime (51701274841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42447072 + ... + 42448289.

It is an arithmetic number, because the mean of its divisors is an integer number (5093721720).

Almost surely, 2^51701274849 is an apocalyptic number.

It is an amenable number.

51701274849 is a deficient number, since it is larger than the sum of its proper divisors (29798272671).

51701274849 is a wasteful number, since it uses less digits than its factorization.

51701274849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84895400.

The product of its (nonzero) digits is 564480, while the sum is 48.

The spelling of 51701274849 in words is "fifty-one billion, seven hundred one million, two hundred seventy-four thousand, eight hundred forty-nine".