40870311664289 has 2 divisors, whose sum is σ = 40870311664290. Its totient is φ = 40870311664288.

The previous prime is 40870311664181. The next prime is 40870311664381. The reversal of 40870311664289 is 98246611307804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23763675040000 + 17106636624289 = 4874800^2 + 4136017^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40870311664289 is a prime.

It is a super-2 number, since 2×40870311664289² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (40870311964289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20435155832144 + 20435155832145.

It is an arithmetic number, because the mean of its divisors is an integer number (20435155832145).

Almost surely, 2^{40870311664289} is an apocalyptic number.

It is an amenable number.

40870311664289 is a deficient number, since it is larger than the sum of its proper divisors (1).

40870311664289 is an equidigital number, since it uses as much as digits as its factorization.

40870311664289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 40870311664289 in words is "forty trillion, eight hundred seventy billion, three hundred eleven million, six hundred sixty-four thousand, two hundred eighty-nine".