651494112851 has 8 divisors (see below), whose sum is σ = 657279418704. Its totient is φ = 645709155840.

The previous prime is 651494112847. The next prime is 651494112881. The reversal of 651494112851 is 158211494156.

651494112851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 651494112851 - 2² = 651494112847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 651494112796 and 651494112805.

It is not an unprimeable number, because it can be changed into a prime (651494112821) 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, 4948955 + ... + 5078891.

It is an arithmetic number, because the mean of its divisors is an integer number (82159927338).

Almost surely, 2^651494112851 is an apocalyptic number.

651494112851 is a deficient number, since it is larger than the sum of its proper divisors (5785305853).

651494112851 is a wasteful number, since it uses less digits than its factorization.

651494112851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174421.

The product of its digits is 345600, while the sum is 47.

The spelling of 651494112851 in words is "six hundred fifty-one billion, four hundred ninety-four million, one hundred twelve thousand, eight hundred fifty-one".