20494672763 has 2 divisors, whose sum is σ = 20494672764. Its totient is φ = 20494672762.

The previous prime is 20494672741. The next prime is 20494672801. The reversal of 20494672763 is 36727649402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20494672763 - 2¹⁴ = 20494656379 is a prime.

It is a super-4 number, since 4×20494672763⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (20494672703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10247336381 + 10247336382.

It is an arithmetic number, because the mean of its divisors is an integer number (10247336382).

Almost surely, 2^20494672763 is an apocalyptic number.

20494672763 is a deficient number, since it is larger than the sum of its proper divisors (1).

20494672763 is an equidigital number, since it uses as much as digits as its factorization.

20494672763 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 50.

The spelling of 20494672763 in words is "twenty billion, four hundred ninety-four million, six hundred seventy-two thousand, seven hundred sixty-three".