19948763 has 2 divisors, whose sum is σ = 19948764. Its totient is φ = 19948762.

The previous prime is 19948757. The next prime is 19948787. The reversal of 19948763 is 36784991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19948763 - 2⁶ = 19948699 is a prime.

It is not a weakly prime, because it can be changed into another prime (19948703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9974381 + 9974382.

It is an arithmetic number, because the mean of its divisors is an integer number (9974382).

Almost surely, 2^19948763 is an apocalyptic number.

19948763 is a deficient number, since it is larger than the sum of its proper divisors (1).

19948763 is an equidigital number, since it uses as much as digits as its factorization.

19948763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 19948763 is about 4466.4038106736. The cubic root of 19948763 is about 271.2097657413.

The spelling of 19948763 in words is "nineteen million, nine hundred forty-eight thousand, seven hundred sixty-three".