400267706093 has 2 divisors, whose sum is σ = 400267706094. Its totient is φ = 400267706092.

The previous prime is 400267705967. The next prime is 400267706117. The reversal of 400267706093 is 390607762004.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393677188969 + 6590517124 = 627437^2 + 81182^2 .

It is a cyclic number.

It is not a de Polignac number, because 400267706093 - 2²² = 400263511789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400267006093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200133853046 + 200133853047.

It is an arithmetic number, because the mean of its divisors is an integer number (200133853047).

Almost surely, 2^400267706093 is an apocalyptic number.

It is an amenable number.

400267706093 is a deficient number, since it is larger than the sum of its proper divisors (1).

400267706093 is an equidigital number, since it uses as much as digits as its factorization.

400267706093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 400267706093 in words is "four hundred billion, two hundred sixty-seven million, seven hundred six thousand, ninety-three".