540025895639 has 2 divisors, whose sum is σ = 540025895640. Its totient is φ = 540025895638.

The previous prime is 540025895569. The next prime is 540025895663. The reversal of 540025895639 is 936598520045.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540025895639 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540025895699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270012947819 + 270012947820.

It is an arithmetic number, because the mean of its divisors is an integer number (270012947820).

Almost surely, 2^540025895639 is an apocalyptic number.

540025895639 is a deficient number, since it is larger than the sum of its proper divisors (1).

540025895639 is an equidigital number, since it uses as much as digits as its factorization.

540025895639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664000, while the sum is 56.

The spelling of 540025895639 in words is "five hundred forty billion, twenty-five million, eight hundred ninety-five thousand, six hundred thirty-nine".