400201042220293 has 2 divisors, whose sum is σ = 400201042220294. Its totient is φ = 400201042220292.

The previous prime is 400201042220233. The next prime is 400201042220351. The reversal of 400201042220293 is 392022240102004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 397908261779044 + 2292780441249 = 19947638^2 + 1514193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400201042220293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400201042220233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200100521110146 + 200100521110147.

It is an arithmetic number, because the mean of its divisors is an integer number (200100521110147).

Almost surely, 2^{400201042220293} is an apocalyptic number.

It is an amenable number.

400201042220293 is a deficient number, since it is larger than the sum of its proper divisors (1).

400201042220293 is an equidigital number, since it uses as much as digits as its factorization.

400201042220293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 400201042220293 its reverse (392022240102004), we get a palindrome (792223282322297).

The spelling of 400201042220293 in words is "four hundred trillion, two hundred one billion, forty-two million, two hundred twenty thousand, two hundred ninety-three".