25076476493 has 2 divisors, whose sum is σ = 25076476494. Its totient is φ = 25076476492.

The previous prime is 25076476471. The next prime is 25076476559. The reversal of 25076476493 is 39467467052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18369194089 + 6707282404 = 135533^2 + 81898^2 .

It is a cyclic number.

It is not a de Polignac number, because 25076476493 - 2⁶ = 25076476429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25076476423) 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, 12538238246 + 12538238247.

It is an arithmetic number, because the mean of its divisors is an integer number (12538238247).

Almost surely, 2^25076476493 is an apocalyptic number.

It is an amenable number.

25076476493 is a deficient number, since it is larger than the sum of its proper divisors (1).

25076476493 is an equidigital number, since it uses as much as digits as its factorization.

25076476493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 53.

The spelling of 25076476493 in words is "twenty-five billion, seventy-six million, four hundred seventy-six thousand, four hundred ninety-three".