63073872461 has 2 divisors, whose sum is σ = 63073872462. Its totient is φ = 63073872460.

The previous prime is 63073872431. The next prime is 63073872469. The reversal of 63073872461 is 16427837036.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62853498436 + 220374025 = 250706^2 + 14845^2 .

It is a cyclic number.

It is not a de Polignac number, because 63073872461 - 2¹⁸ = 63073610317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63073872469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31536936230 + 31536936231.

It is an arithmetic number, because the mean of its divisors is an integer number (31536936231).

Almost surely, 2^63073872461 is an apocalyptic number.

It is an amenable number.

63073872461 is a deficient number, since it is larger than the sum of its proper divisors (1).

63073872461 is an equidigital number, since it uses as much as digits as its factorization.

63073872461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 63073872461 in words is "sixty-three billion, seventy-three million, eight hundred seventy-two thousand, four hundred sixty-one".