946295681 has 2 divisors, whose sum is σ = 946295682. Its totient is φ = 946295680.

The previous prime is 946295671. The next prime is 946295729. The reversal of 946295681 is 186592649.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 677040400 + 269255281 = 26020^2 + 16409^2 .

It is an emirp because it is prime and its reverse (186592649) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 946295681 - 2¹⁴ = 946279297 is a prime.

It is a super-2 number, since 2×946295681² = 1790951031758507522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (946295671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 473147840 + 473147841.

It is an arithmetic number, because the mean of its divisors is an integer number (473147841).

Almost surely, 2^946295681 is an apocalyptic number.

It is an amenable number.

946295681 is a deficient number, since it is larger than the sum of its proper divisors (1).

946295681 is an equidigital number, since it uses as much as digits as its factorization.

946295681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 50.

The square root of 946295681 is about 30761.9193321873. The cubic root of 946295681 is about 981.7681811972.

The spelling of 946295681 in words is "nine hundred forty-six million, two hundred ninety-five thousand, six hundred eighty-one".