51343620829 has 8 divisors (see below), whose sum is σ = 52337880320. Its totient is φ = 50357970000.

The previous prime is 51343620817. The next prime is 51343620841. The reversal of 51343620829 is 92802634315.

It is an interprime number because it is at equal distance from previous prime (51343620817) and next prime (51343620841).

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

It is a cyclic number.

It is not a de Polignac number, because 51343620829 - 2⁷ = 51343620701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51343620869) 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, 2140122 + ... + 2163979.

It is an arithmetic number, because the mean of its divisors is an integer number (6542235040).

Almost surely, 2^51343620829 is an apocalyptic number.

It is an amenable number.

51343620829 is a deficient number, since it is larger than the sum of its proper divisors (994259491).

51343620829 is a wasteful number, since it uses less digits than its factorization.

51343620829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4304331.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 51343620829 in words is "fifty-one billion, three hundred forty-three million, six hundred twenty thousand, eight hundred twenty-nine".