5651169049 has 4 divisors (see below), whose sum is σ = 5651349264. Its totient is φ = 5650988836.

The previous prime is 5651169037. The next prime is 5651169079. The reversal of 5651169049 is 9409611565.

It is a happy number.

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 5651169049 - 2²³ = 5642780441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5651169079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29467 + ... + 110320.

It is an arithmetic number, because the mean of its divisors is an integer number (1412837316).

Almost surely, 2^5651169049 is an apocalyptic number.

It is an amenable number.

5651169049 is a deficient number, since it is larger than the sum of its proper divisors (180215).

5651169049 is a wasteful number, since it uses less digits than its factorization.

5651169049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180214.

The product of its (nonzero) digits is 291600, while the sum is 46.

The square root of 5651169049 is about 75174.2578879233. The cubic root of 5651169049 is about 1781.2003275546.

The spelling of 5651169049 in words is "five billion, six hundred fifty-one million, one hundred sixty-nine thousand, forty-nine".