51299329474 has 8 divisors (see below), whose sum is σ = 76950320400. Its totient is φ = 25649222676.

The previous prime is 51299329439. The next prime is 51299329541. The reversal of 51299329474 is 47492399215.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49284 + ... + 324079.

It is an arithmetic number, because the mean of its divisors is an integer number (9618790050).

Almost surely, 2^51299329474 is an apocalyptic number.

51299329474 is a deficient number, since it is larger than the sum of its proper divisors (25650990926).

51299329474 is a wasteful number, since it uses less digits than its factorization.

51299329474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442064.

The product of its digits is 4898880, while the sum is 55.

The spelling of 51299329474 in words is "fifty-one billion, two hundred ninety-nine million, three hundred twenty-nine thousand, four hundred seventy-four".