49170231863 has 4 divisors (see below), whose sum is σ = 49338048648. Its totient is φ = 49002415080.

The previous prime is 49170231829. The next prime is 49170231889. The reversal of 49170231863 is 36813207194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36813207194 = 2 ⋅18406603597.

It is a cyclic number.

It is not a de Polignac number, because 49170231863 - 2²² = 49166037559 is a prime.

It is a super-2 number, since 2×49170231863² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49170281863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83907953 + ... + 83908538.

It is an arithmetic number, because the mean of its divisors is an integer number (12334512162).

Almost surely, 2^49170231863 is an apocalyptic number.

49170231863 is a deficient number, since it is larger than the sum of its proper divisors (167816785).

49170231863 is a wasteful number, since it uses less digits than its factorization.

49170231863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167816784.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 49170231863 in words is "forty-nine billion, one hundred seventy million, two hundred thirty-one thousand, eight hundred sixty-three".