19299111897 has 16 divisors (see below), whose sum is σ = 27929753600. Its totient is φ = 11782858752.

The previous prime is 19299111781. The next prime is 19299111899. The reversal of 19299111897 is 79811199291.

It is not a de Polignac number, because 19299111897 - 2¹² = 19299107801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19299111899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1943272 + ... + 1953177.

It is an arithmetic number, because the mean of its divisors is an integer number (1745609600).

Almost surely, 2^19299111897 is an apocalyptic number.

It is an amenable number.

19299111897 is a deficient number, since it is larger than the sum of its proper divisors (8630641703).

19299111897 is a wasteful number, since it uses less digits than its factorization.

19299111897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3896592.

The product of its digits is 734832, while the sum is 57.

The spelling of 19299111897 in words is "nineteen billion, two hundred ninety-nine million, one hundred eleven thousand, eight hundred ninety-seven".