40654301663233 has 2 divisors, whose sum is σ = 40654301663234. Its totient is φ = 40654301663232.

The previous prime is 40654301663231. The next prime is 40654301663257. The reversal of 40654301663233 is 33236610345604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40581129790224 + 73171873009 = 6370332^2 + 270503^2 .

It is a cyclic number.

It is not a de Polignac number, because 40654301663233 - 2¹ = 40654301663231 is a prime.

Together with 40654301663231, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40654301663231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20327150831616 + 20327150831617.

It is an arithmetic number, because the mean of its divisors is an integer number (20327150831617).

Almost surely, 2^{40654301663233} is an apocalyptic number.

It is an amenable number.

40654301663233 is a deficient number, since it is larger than the sum of its proper divisors (1).

40654301663233 is an equidigital number, since it uses as much as digits as its factorization.

40654301663233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2799360, while the sum is 46.

The spelling of 40654301663233 in words is "forty trillion, six hundred fifty-four billion, three hundred one million, six hundred sixty-three thousand, two hundred thirty-three".