540487815403 has 2 divisors, whose sum is σ = 540487815404. Its totient is φ = 540487815402.

The previous prime is 540487815401. The next prime is 540487815431. The reversal of 540487815403 is 304518784045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540487815403 - 2¹ = 540487815401 is a prime.

Together with 540487815401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (540487815401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270243907701 + 270243907702.

It is an arithmetic number, because the mean of its divisors is an integer number (270243907702).

Almost surely, 2^540487815403 is an apocalyptic number.

540487815403 is a deficient number, since it is larger than the sum of its proper divisors (1).

540487815403 is an equidigital number, since it uses as much as digits as its factorization.

540487815403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2150400, while the sum is 49.

The spelling of 540487815403 in words is "five hundred forty billion, four hundred eighty-seven million, eight hundred fifteen thousand, four hundred three".