46978566365 has 16 divisors (see below), whose sum is σ = 57199299888. Its totient is φ = 37033790976.

The previous prime is 46978566359. The next prime is 46978566389. The reversal of 46978566365 is 56366587964.

It can be written as a sum of positive squares in 8 ways, for example, as 183358681 + 46795207684 = 13541^2 + 216322^2 .

It is a cyclic number.

It is not a de Polignac number, because 46978566365 - 2¹⁸ = 46978304221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340067 + ... + 457823.

It is an arithmetic number, because the mean of its divisors is an integer number (3574956243).

Almost surely, 2^46978566365 is an apocalyptic number.

It is an amenable number.

46978566365 is a deficient number, since it is larger than the sum of its proper divisors (10220733523).

46978566365 is a wasteful number, since it uses less digits than its factorization.

46978566365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118928.

The product of its digits is 195955200, while the sum is 65.

The spelling of 46978566365 in words is "forty-six billion, nine hundred seventy-eight million, five hundred sixty-six thousand, three hundred sixty-five".