19748070229 has 4 divisors (see below), whose sum is σ = 20168241984. Its totient is φ = 19327898476.

The previous prime is 19748070197. The next prime is 19748070233. The reversal of 19748070229 is 92207084791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19748070229 - 2⁵ = 19748070197 is a prime.

It is a super-2 number, since 2×19748070229² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19748071229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210085807 + ... + 210085900.

It is an arithmetic number, because the mean of its divisors is an integer number (5042060496).

Almost surely, 2^19748070229 is an apocalyptic number.

It is an amenable number.

19748070229 is a deficient number, since it is larger than the sum of its proper divisors (420171755).

19748070229 is an equidigital number, since it uses as much as digits as its factorization.

19748070229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420171754.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 19748070229 in words is "nineteen billion, seven hundred forty-eight million, seventy thousand, two hundred twenty-nine".