49290434169 has 4 divisors (see below), whose sum is σ = 65720578896. Its totient is φ = 32860289444.

The previous prime is 49290434111. The next prime is 49290434183. The reversal of 49290434169 is 96143409294.

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 49290434169 - 2²¹ = 49288337017 is a prime.

It is a super-2 number, since 2×49290434169² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49290434269) 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, 8215072359 + ... + 8215072364.

It is an arithmetic number, because the mean of its divisors is an integer number (16430144724).

Almost surely, 2^49290434169 is an apocalyptic number.

It is an amenable number.

49290434169 is a deficient number, since it is larger than the sum of its proper divisors (16430144727).

49290434169 is a wasteful number, since it uses less digits than its factorization.

49290434169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16430144726.

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 49290434169 in words is "forty-nine billion, two hundred ninety million, four hundred thirty-four thousand, one hundred sixty-nine".