51299329473 has 12 divisors (see below), whose sum is σ = 84684607488. Its totient is φ = 29313902520.

The previous prime is 51299329439. The next prime is 51299329541. The reversal of 51299329473 is 37492399215.

51299329473 is a `hidden beast` number, since 51 + 2 + 99 + 32 + 9 + 473 = 666.

It is not a de Polignac number, because 51299329473 - 2¹⁰ = 51299328449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51299329073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 407137473 + ... + 407137598.

It is an arithmetic number, because the mean of its divisors is an integer number (7057050624).

Almost surely, 2^51299329473 is an apocalyptic number.

It is an amenable number.

51299329473 is a deficient number, since it is larger than the sum of its proper divisors (33385278015).

51299329473 is a wasteful number, since it uses less digits than its factorization.

51299329473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814275084 (or 814275081 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 54.

The spelling of 51299329473 in words is "fifty-one billion, two hundred ninety-nine million, three hundred twenty-nine thousand, four hundred seventy-three".