49134642569871 has 4 divisors (see below), whose sum is σ = 65512856759832. Its totient is φ = 32756428379912.

The previous prime is 49134642569867. The next prime is 49134642569891. The reversal of 49134642569871 is 17896524643194.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49134642569871 - 2² = 49134642569867 is a prime.

It is a super-3 number, since 3×49134642569871³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49134642569796 and 49134642569805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49134642569891) 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, 8189107094976 + ... + 8189107094981.

It is an arithmetic number, because the mean of its divisors is an integer number (16378214189958).

Almost surely, 2^{49134642569871} is an apocalyptic number.

49134642569871 is a deficient number, since it is larger than the sum of its proper divisors (16378214189961).

49134642569871 is a wasteful number, since it uses less digits than its factorization.

49134642569871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16378214189960.

The product of its digits is 313528320, while the sum is 69.

The spelling of 49134642569871 in words is "forty-nine trillion, one hundred thirty-four billion, six hundred forty-two million, five hundred sixty-nine thousand, eight hundred seventy-one".