19807467229 has 16 divisors (see below), whose sum is σ = 21727480320. Its totient is φ = 17907514560.

The previous prime is 19807467223. The next prime is 19807467233. The reversal of 19807467229 is 92276470891.

It is a cyclic number.

It is not a de Polignac number, because 19807467229 - 2¹⁵ = 19807434461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19807467229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19807467223) 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, 2736387 + ... + 2743615.

It is an arithmetic number, because the mean of its divisors is an integer number (1357967520).

Almost surely, 2^19807467229 is an apocalyptic number.

It is an amenable number.

19807467229 is a deficient number, since it is larger than the sum of its proper divisors (1920013091).

19807467229 is a wasteful number, since it uses less digits than its factorization.

19807467229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8580.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 19807467229 in words is "nineteen billion, eight hundred seven million, four hundred sixty-seven thousand, two hundred twenty-nine".