61946850263 has 2 divisors, whose sum is σ = 61946850264. Its totient is φ = 61946850262.

The previous prime is 61946850257. The next prime is 61946850271. The reversal of 61946850263 is 36205864916.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61946850263 - 2²⁴ = 61930073047 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61946850223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30973425131 + 30973425132.

It is an arithmetic number, because the mean of its divisors is an integer number (30973425132).

Almost surely, 2^61946850263 is an apocalyptic number.

61946850263 is a deficient number, since it is larger than the sum of its proper divisors (1).

61946850263 is an equidigital number, since it uses as much as digits as its factorization.

61946850263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 61946850263 in words is "sixty-one billion, nine hundred forty-six million, eight hundred fifty thousand, two hundred sixty-three".