19775974119 has 32 divisors (see below), whose sum is σ = 30495528960. Its totient is φ = 11285308800.

The previous prime is 19775974109. The next prime is 19775974121. The reversal of 19775974119 is 91147957791.

It is not a de Polignac number, because 19775974119 - 2⁵ = 19775974087 is a prime.

It is a super-2 number, since 2×19775974119² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19775974109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223384 + ... + 299085.

It is an arithmetic number, because the mean of its divisors is an integer number (952985280).

Almost surely, 2^19775974119 is an apocalyptic number.

19775974119 is a deficient number, since it is larger than the sum of its proper divisors (10719554841).

19775974119 is a wasteful number, since it uses less digits than its factorization.

19775974119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522551.

The product of its digits is 5000940, while the sum is 60.

The spelling of 19775974119 in words is "nineteen billion, seven hundred seventy-five million, nine hundred seventy-four thousand, one hundred nineteen".