193469149 has 4 divisors (see below), whose sum is σ = 194321664. Its totient is φ = 192616636.

The previous prime is 193469147. The next prime is 193469173. The reversal of 193469149 is 941964391.

193469149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 193469149 - 2¹ = 193469147 is a prime.

It is a super-2 number, since 2×193469149² = 74860623229568402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 193469099 and 193469108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193469147) 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, 425917 + ... + 426370.

It is an arithmetic number, because the mean of its divisors is an integer number (48580416).

Almost surely, 2^193469149 is an apocalyptic number.

It is an amenable number.

193469149 is a deficient number, since it is larger than the sum of its proper divisors (852515).

193469149 is an equidigital number, since it uses as much as digits as its factorization.

193469149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852514.

The product of its digits is 209952, while the sum is 46.

The square root of 193469149 is about 13909.3187827442. The cubic root of 193469149 is about 578.3675350293.

The spelling of 193469149 in words is "one hundred ninety-three million, four hundred sixty-nine thousand, one hundred forty-nine".