51262984099 has 4 divisors (see below), whose sum is σ = 51285599064. Its totient is φ = 51240369136.

The previous prime is 51262984079. The next prime is 51262984121. The reversal of 51262984099 is 99048926215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99048926215 = 5 ⋅19809785243.

It is a cyclic number.

It is not a de Polignac number, because 51262984099 - 2¹⁵ = 51262951331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51262984049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11304082 + ... + 11308615.

It is an arithmetic number, because the mean of its divisors is an integer number (12821399766).

Almost surely, 2^51262984099 is an apocalyptic number.

51262984099 is a deficient number, since it is larger than the sum of its proper divisors (22614965).

51262984099 is a wasteful number, since it uses less digits than its factorization.

51262984099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22614964.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 51262984099 in words is "fifty-one billion, two hundred sixty-two million, nine hundred eighty-four thousand, ninety-nine".