340882000621 has 2 divisors, whose sum is σ = 340882000622. Its totient is φ = 340882000620.

The previous prime is 340882000583. The next prime is 340882000637. The reversal of 340882000621 is 126000288043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339970624900 + 911375721 = 583070^2 + 30189^2 .

It is a cyclic number.

It is not a de Polignac number, because 340882000621 - 2²⁵ = 340848446189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340882000691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170441000310 + 170441000311.

It is an arithmetic number, because the mean of its divisors is an integer number (170441000311).

Almost surely, 2^340882000621 is an apocalyptic number.

It is an amenable number.

340882000621 is a deficient number, since it is larger than the sum of its proper divisors (1).

340882000621 is an equidigital number, since it uses as much as digits as its factorization.

340882000621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 34.

Adding to 340882000621 its reverse (126000288043), we get a palindrome (466882288664).

The spelling of 340882000621 in words is "three hundred forty billion, eight hundred eighty-two million, six hundred twenty-one", and thus it is an aban number.