51030650003 has 4 divisors (see below), whose sum is σ = 51033906000. Its totient is φ = 51027394008.

The previous prime is 51030649993. The next prime is 51030650051. The reversal of 51030650003 is 30005603015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51030650003 - 2¹² = 51030645907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51030250003) 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, 1604375 + ... + 1635872.

It is an arithmetic number, because the mean of its divisors is an integer number (12758476500).

Almost surely, 2^51030650003 is an apocalyptic number.

51030650003 is a deficient number, since it is larger than the sum of its proper divisors (3255997).

51030650003 is a wasteful number, since it uses less digits than its factorization.

51030650003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3255996.

The product of its (nonzero) digits is 1350, while the sum is 23.

The spelling of 51030650003 in words is "fifty-one billion, thirty million, six hundred fifty thousand, three".