540457583903971 has 2 divisors, whose sum is σ = 540457583903972. Its totient is φ = 540457583903970.

The previous prime is 540457583903959. The next prime is 540457583904053. The reversal of 540457583903971 is 179309385754045.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540457583903971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540457583903971.

It is not a weakly prime, because it can be changed into another prime (540457583903071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270228791951985 + 270228791951986.

It is an arithmetic number, because the mean of its divisors is an integer number (270228791951986).

Almost surely, 2^{540457583903971} is an apocalyptic number.

540457583903971 is a deficient number, since it is larger than the sum of its proper divisors (1).

540457583903971 is an equidigital number, since it uses as much as digits as its factorization.

540457583903971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536000, while the sum is 70.

The spelling of 540457583903971 in words is "five hundred forty trillion, four hundred fifty-seven billion, five hundred eighty-three million, nine hundred three thousand, nine hundred seventy-one".