19248781995 has 24 divisors (see below), whose sum is σ = 34815190176. Its totient is φ = 9819667968.

The previous prime is 19248781973. The next prime is 19248782017. The reversal of 19248781995 is 59918784291.

It is an interprime number because it is at equal distance from previous prime (19248781973) and next prime (19248782017).

It is not a de Polignac number, because 19248781995 - 2⁵ = 19248781963 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9297894 + ... + 9299963.

It is an arithmetic number, because the mean of its divisors is an integer number (1450632924).

Almost surely, 2^19248781995 is an apocalyptic number.

19248781995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19248781995 is a deficient number, since it is larger than the sum of its proper divisors (15566408181).

19248781995 is a wasteful number, since it uses less digits than its factorization.

19248781995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18597891 (or 18597888 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 63.

The spelling of 19248781995 in words is "nineteen billion, two hundred forty-eight million, seven hundred eighty-one thousand, nine hundred ninety-five".