80348400550049 has 4 divisors (see below), whose sum is σ = 80348625551040. Its totient is φ = 80348175549060.

The previous prime is 80348400549947. The next prime is 80348400550091. The reversal of 80348400550049 is 94005500484308.

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 a de Polignac number, because none of the positive numbers 2^k-80348400550049 is a prime.

It is a super-2 number, since 2×80348400550049² (a number of 29 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 = 80348400549979 and 80348400550006.

It is not an unprimeable number, because it can be changed into a prime (80348400550849) 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, 111963989 + ... + 112679330.

It is an arithmetic number, because the mean of its divisors is an integer number (20087156387760).

Almost surely, 2^{80348400550049} is an apocalyptic number.

It is an amenable number.

80348400550049 is a deficient number, since it is larger than the sum of its proper divisors (225000991).

80348400550049 is a wasteful number, since it uses less digits than its factorization.

80348400550049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225000990.

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 80348400550049 in words is "eighty trillion, three hundred forty-eight billion, four hundred million, five hundred fifty thousand, forty-nine".