49155287109 has 8 divisors (see below), whose sum is σ = 69395699520. Its totient is φ = 30842533056.

The previous prime is 49155287059. The next prime is 49155287141. The reversal of 49155287109 is 90178255194.

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

It is not a de Polignac number, because 49155287109 - 2⁷ = 49155286981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 963829159 = 49155287109 / (4 + 9 + 1 + 5 + 5 + 2 + 8 + 7 + 1 + 0 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49155287189) 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, 481914529 + ... + 481914630.

It is an arithmetic number, because the mean of its divisors is an integer number (8674462440).

Almost surely, 2^49155287109 is an apocalyptic number.

It is an amenable number.

49155287109 is a deficient number, since it is larger than the sum of its proper divisors (20240412411).

49155287109 is a wasteful number, since it uses less digits than its factorization.

49155287109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963829179.

The product of its (nonzero) digits is 907200, while the sum is 51.

The spelling of 49155287109 in words is "forty-nine billion, one hundred fifty-five million, two hundred eighty-seven thousand, one hundred nine".