6190869449 has 4 divisors (see below), whose sum is σ = 6191354820. Its totient is φ = 6190384080.

The previous prime is 6190869407. The next prime is 6190869467. The reversal of 6190869449 is 9449680916.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 833361424 + 5357508025 = 28868^2 + 73195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6190869449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6190869394 and 6190869403.

It is not an unprimeable number, because it can be changed into a prime (6190869649) 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, 223022 + ... + 249239.

It is an arithmetic number, because the mean of its divisors is an integer number (1547838705).

Almost surely, 2^6190869449 is an apocalyptic number.

It is an amenable number.

6190869449 is a deficient number, since it is larger than the sum of its proper divisors (485371).

6190869449 is a wasteful number, since it uses less digits than its factorization.

6190869449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485370.

The product of its (nonzero) digits is 3359232, while the sum is 56.

The square root of 6190869449 is about 78682.0783215594. The cubic root of 6190869449 is about 1836.1882978790.

The spelling of 6190869449 in words is "six billion, one hundred ninety million, eight hundred sixty-nine thousand, four hundred forty-nine".