51466949835 has 24 divisors (see below), whose sum is σ = 95791548816. Its totient is φ = 23527748160.

The previous prime is 51466949813. The next prime is 51466949837. The reversal of 51466949835 is 53894966415.

It is not a de Polignac number, because 51466949835 - 2¹⁰ = 51466948811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51466949837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35010796 + ... + 35012265.

It is an arithmetic number, because the mean of its divisors is an integer number (3991314534).

Almost surely, 2^51466949835 is an apocalyptic number.

51466949835 is a deficient number, since it is larger than the sum of its proper divisors (44324598981).

51466949835 is a wasteful number, since it uses less digits than its factorization.

51466949835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70023083 (or 70023076 counting only the distinct ones).

The product of its digits is 27993600, while the sum is 60.

The spelling of 51466949835 in words is "fifty-one billion, four hundred sixty-six million, nine hundred forty-nine thousand, eight hundred thirty-five".