61312914933 has 16 divisors (see below), whose sum is σ = 85336430976. Its totient is φ = 39118559040.

The previous prime is 61312914931. The next prime is 61312914959. The reversal of 61312914933 is 33941921316.

It is not a de Polignac number, because 61312914933 - 2¹ = 61312914931 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61312914931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4520841 + ... + 4534382.

It is an arithmetic number, because the mean of its divisors is an integer number (5333526936).

Almost surely, 2^61312914933 is an apocalyptic number.

It is an amenable number.

61312914933 is a deficient number, since it is larger than the sum of its proper divisors (24023516043).

61312914933 is a wasteful number, since it uses less digits than its factorization.

61312914933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9055324.

The product of its digits is 104976, while the sum is 42.

The spelling of 61312914933 in words is "sixty-one billion, three hundred twelve million, nine hundred fourteen thousand, nine hundred thirty-three".