46478201281 has 2 divisors, whose sum is σ = 46478201282. Its totient is φ = 46478201280.

The previous prime is 46478201269. The next prime is 46478201293. The reversal of 46478201281 is 18210287464.

It is a balanced prime because it is at equal distance from previous prime (46478201269) and next prime (46478201293).

It can be written as a sum of positive squares in only one way, i.e., 33118540225 + 13359661056 = 181985^2 + 115584^2 .

It is a cyclic number.

It is not a de Polignac number, because 46478201281 - 2⁷ = 46478201153 is a prime.

It is a super-2 number, since 2×46478201281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (46478201251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23239100640 + 23239100641.

It is an arithmetic number, because the mean of its divisors is an integer number (23239100641).

Almost surely, 2^46478201281 is an apocalyptic number.

It is an amenable number.

46478201281 is a deficient number, since it is larger than the sum of its proper divisors (1).

46478201281 is an equidigital number, since it uses as much as digits as its factorization.

46478201281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172032, while the sum is 43.

The spelling of 46478201281 in words is "forty-six billion, four hundred seventy-eight million, two hundred one thousand, two hundred eighty-one".