71457746651 has 2 divisors, whose sum is σ = 71457746652. Its totient is φ = 71457746650.

The previous prime is 71457746639. The next prime is 71457746791. The reversal of 71457746651 is 15664775417.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71457746651 - 2⁶ = 71457746587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71457746593 and 71457746602.

It is not a weakly prime, because it can be changed into another prime (71457746611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35728873325 + 35728873326.

It is an arithmetic number, because the mean of its divisors is an integer number (35728873326).

Almost surely, 2^71457746651 is an apocalyptic number.

71457746651 is a deficient number, since it is larger than the sum of its proper divisors (1).

71457746651 is an equidigital number, since it uses as much as digits as its factorization.

71457746651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4939200, while the sum is 53.

The spelling of 71457746651 in words is "seventy-one billion, four hundred fifty-seven million, seven hundred forty-six thousand, six hundred fifty-one".