540025769647579 has 2 divisors, whose sum is σ = 540025769647580. Its totient is φ = 540025769647578.

The previous prime is 540025769647537. The next prime is 540025769647589. The reversal of 540025769647579 is 975746967520045.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540025769647579 is a prime.

It is a super-2 number, since 2×540025769647579² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (540025769647589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270012884823789 + 270012884823790.

It is an arithmetic number, because the mean of its divisors is an integer number (270012884823790).

Almost surely, 2^{540025769647579} is an apocalyptic number.

540025769647579 is a deficient number, since it is larger than the sum of its proper divisors (1).

540025769647579 is an equidigital number, since it uses as much as digits as its factorization.

540025769647579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4000752000, while the sum is 76.

The spelling of 540025769647579 in words is "five hundred forty trillion, twenty-five billion, seven hundred sixty-nine million, six hundred forty-seven thousand, five hundred seventy-nine".