19029149 has 4 divisors (see below), whose sum is σ = 19143264. Its totient is φ = 18915036.

The previous prime is 19029121. The next prime is 19029151. The reversal of 19029149 is 94192091.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94192091 = 7 ⋅13456013.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19029149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19029649) 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, 56807 + ... + 57140.

It is an arithmetic number, because the mean of its divisors is an integer number (4785816).

Almost surely, 2^19029149 is an apocalyptic number.

It is an amenable number.

19029149 is a deficient number, since it is larger than the sum of its proper divisors (114115).

19029149 is a wasteful number, since it uses less digits than its factorization.

19029149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114114.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 19029149 is about 4362.2412817266. The cubic root of 19029149 is about 266.9765534639.

The spelling of 19029149 in words is "nineteen million, twenty-nine thousand, one hundred forty-nine".