49135744487 has 8 divisors (see below), whose sum is σ = 52086805056. Its totient is φ = 46191430912.

The previous prime is 49135744477. The next prime is 49135744501. The reversal of 49135744487 is 78444753194.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49135744487 - 2⁶ = 49135744423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49135744477) 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, 1671743 + ... + 1700880.

It is an arithmetic number, because the mean of its divisors is an integer number (6510850632).

Almost surely, 2^49135744487 is an apocalyptic number.

49135744487 is a deficient number, since it is larger than the sum of its proper divisors (2951060569).

49135744487 is a wasteful number, since it uses less digits than its factorization.

49135744487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3373497.

The product of its digits is 13547520, while the sum is 56.

The spelling of 49135744487 in words is "forty-nine billion, one hundred thirty-five million, seven hundred forty-four thousand, four hundred eighty-seven".