49378222671569 has 24 divisors (see below), whose sum is σ = 55032110878080. Its totient is φ = 44264751204960.

The previous prime is 49378222671563. The next prime is 49378222671611. The reversal of 49378222671569 is 96517622287394.

It is not a de Polignac number, because 49378222671569 - 2⁴ = 49378222671553 is a prime.

It is a super-2 number, since 2×49378222671569² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49378222671563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4241087 + ... + 10804779.

It is an arithmetic number, because the mean of its divisors is an integer number (2293004619920).

Almost surely, 2^{49378222671569} is an apocalyptic number.

It is an amenable number.

49378222671569 is a deficient number, since it is larger than the sum of its proper divisors (5653888206511).

49378222671569 is a wasteful number, since it uses less digits than its factorization.

49378222671569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6564581 (or 6564570 counting only the distinct ones).

The product of its digits is 548674560, while the sum is 71.

The spelling of 49378222671569 in words is "forty-nine trillion, three hundred seventy-eight billion, two hundred twenty-two million, six hundred seventy-one thousand, five hundred sixty-nine".