19440969195 has 32 divisors (see below), whose sum is σ = 32992692480. Its totient is φ = 9747803520.

The previous prime is 19440969181. The next prime is 19440969203. The reversal of 19440969195 is 59196904491.

It is not a de Polignac number, because 19440969195 - 2⁴ = 19440969179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223024 + ... + 297693.

It is an arithmetic number, because the mean of its divisors is an integer number (1031021640).

Almost surely, 2^19440969195 is an apocalyptic number.

19440969195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

19440969195 is a deficient number, since it is larger than the sum of its proper divisors (13551723285).

19440969195 is a wasteful number, since it uses less digits than its factorization.

19440969195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520875.

The product of its (nonzero) digits is 3149280, while the sum is 57.

The spelling of 19440969195 in words is "nineteen billion, four hundred forty million, nine hundred sixty-nine thousand, one hundred ninety-five".