49243217538 has 16 divisors (see below), whose sum is σ = 98570553696. Its totient is φ = 16400386080.

The previous prime is 49243217537. The next prime is 49243217579. The reversal of 49243217538 is 83571234294.

It is not an unprimeable number, because it can be changed into a prime (49243217537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3497331 + ... + 3511382.

It is an arithmetic number, because the mean of its divisors is an integer number (6160659606).

Almost surely, 2^49243217538 is an apocalyptic number.

49243217538 is an abundant number, since it is smaller than the sum of its proper divisors (49327336158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49243217538 is a wasteful number, since it uses less digits than its factorization.

49243217538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7009889.

The product of its digits is 1451520, while the sum is 48.

The spelling of 49243217538 in words is "forty-nine billion, two hundred forty-three million, two hundred seventeen thousand, five hundred thirty-eight".