49745498069 has 4 divisors (see below), whose sum is σ = 49748392320. Its totient is φ = 49742603820.

The previous prime is 49745498063. The next prime is 49745498119. The reversal of 49745498069 is 96089454794.

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 49745498069 - 2²⁰ = 49744449493 is a prime.

It is a super-2 number, since 2×49745498069² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49745497996 and 49745498014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49745498063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421189 + ... + 1455770.

It is an arithmetic number, because the mean of its divisors is an integer number (12437098080).

Almost surely, 2^49745498069 is an apocalyptic number.

It is an amenable number.

49745498069 is a deficient number, since it is larger than the sum of its proper divisors (2894251).

49745498069 is a wasteful number, since it uses less digits than its factorization.

49745498069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2894250.

The product of its (nonzero) digits is 78382080, while the sum is 65.

The spelling of 49745498069 in words is "forty-nine billion, seven hundred forty-five million, four hundred ninety-eight thousand, sixty-nine".