2546497493 has 2 divisors, whose sum is σ = 2546497494. Its totient is φ = 2546497492.

The previous prime is 2546497487. The next prime is 2546497523. The reversal of 2546497493 is 3947946452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2537842129 + 8655364 = 50377^2 + 2942^2 .

It is a cyclic number.

It is not a de Polignac number, because 2546497493 - 2¹⁶ = 2546431957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2546497403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1273248746 + 1273248747.

It is an arithmetic number, because the mean of its divisors is an integer number (1273248747).

Almost surely, 2^2546497493 is an apocalyptic number.

It is an amenable number.

2546497493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2546497493 is an equidigital number, since it uses as much as digits as its factorization.

2546497493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 53.

The square root of 2546497493 is about 50462.8327881026. The cubic root of 2546497493 is about 1365.5714161787.

The spelling of 2546497493 in words is "two billion, five hundred forty-six million, four hundred ninety-seven thousand, four hundred ninety-three".