51149462147 has 8 divisors (see below), whose sum is σ = 61895147616. Its totient is φ = 41263431552.

The previous prime is 51149462087. The next prime is 51149462159. The reversal of 51149462147 is 74126494115.

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

It is not a de Polignac number, because 51149462147 - 2¹⁰ = 51149461123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51149462098 and 51149462107.

It is not an unprimeable number, because it can be changed into a prime (51149462197) 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, 214913588 + ... + 214913825.

It is an arithmetic number, because the mean of its divisors is an integer number (7736893452).

Almost surely, 2^51149462147 is an apocalyptic number.

51149462147 is a deficient number, since it is larger than the sum of its proper divisors (10745685469).

51149462147 is a wasteful number, since it uses less digits than its factorization.

51149462147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429827437.

The product of its digits is 241920, while the sum is 44.

The spelling of 51149462147 in words is "fifty-one billion, one hundred forty-nine million, four hundred sixty-two thousand, one hundred forty-seven".