49144699851 has 8 divisors (see below), whose sum is σ = 70566748560. Its totient is φ = 30242892192.

The previous prime is 49144699823. The next prime is 49144699969. The reversal of 49144699851 is 15899644194.

49144699851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 49144699851 - 2³⁵ = 14784961483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49144692851) 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, 630060216 + ... + 630060293.

It is an arithmetic number, because the mean of its divisors is an integer number (8820843570).

Almost surely, 2^49144699851 is an apocalyptic number.

49144699851 is a deficient number, since it is larger than the sum of its proper divisors (21422048709).

49144699851 is a wasteful number, since it uses less digits than its factorization.

49144699851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260120525.

The product of its digits is 11197440, while the sum is 60.

The spelling of 49144699851 in words is "forty-nine billion, one hundred forty-four million, six hundred ninety-nine thousand, eight hundred fifty-one".