51647074607 has 2 divisors, whose sum is σ = 51647074608. Its totient is φ = 51647074606.

The previous prime is 51647074579. The next prime is 51647074711. The reversal of 51647074607 is 70647074615.

51647074607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51647074607 - 2⁶ = 51647074543 is a prime.

It is a super-2 number, since 2×51647074607² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51647074307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25823537303 + 25823537304.

It is an arithmetic number, because the mean of its divisors is an integer number (25823537304).

Almost surely, 2^51647074607 is an apocalyptic number.

51647074607 is a deficient number, since it is larger than the sum of its proper divisors (1).

51647074607 is an equidigital number, since it uses as much as digits as its factorization.

51647074607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 51647074607 in words is "fifty-one billion, six hundred forty-seven million, seventy-four thousand, six hundred seven".