540031451522393 has 2 divisors, whose sum is σ = 540031451522394. Its totient is φ = 540031451522392.

The previous prime is 540031451522389. The next prime is 540031451522429. The reversal of 540031451522393 is 393225154130045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 495249551165209 + 44781900357184 = 22254203^2 + 6691928^2 .

It is a cyclic number.

It is not a de Polignac number, because 540031451522393 - 2² = 540031451522389 is a prime.

It is not a weakly prime, because it can be changed into another prime (540031451522333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270015725761196 + 270015725761197.

It is an arithmetic number, because the mean of its divisors is an integer number (270015725761197).

Almost surely, 2^{540031451522393} is an apocalyptic number.

It is an amenable number.

540031451522393 is a deficient number, since it is larger than the sum of its proper divisors (1).

540031451522393 is an equidigital number, since it uses as much as digits as its factorization.

540031451522393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 540031451522393 in words is "five hundred forty trillion, thirty-one billion, four hundred fifty-one million, five hundred twenty-two thousand, three hundred ninety-three".