19413929 has 4 divisors (see below), whose sum is σ = 19448976. Its totient is φ = 19378884.

The previous prime is 19413893. The next prime is 19413931. The reversal of 19413929 is 92931491.

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 19413929 - 2¹⁶ = 19348393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19413892 and 19413901.

It is not an unprimeable number, because it can be changed into a prime (19413829) 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, 16679 + ... + 17804.

It is an arithmetic number, because the mean of its divisors is an integer number (4862244).

Almost surely, 2^19413929 is an apocalyptic number.

It is an amenable number.

19413929 is a deficient number, since it is larger than the sum of its proper divisors (35047).

19413929 is an equidigital number, since it uses as much as digits as its factorization.

19413929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35046.

The product of its digits is 17496, while the sum is 38.

The square root of 19413929 is about 4406.1240336604. The cubic root of 19413929 is about 268.7640307079.

The spelling of 19413929 in words is "nineteen million, four hundred thirteen thousand, nine hundred twenty-nine".