403622211649 has 2 divisors, whose sum is σ = 403622211650. Its totient is φ = 403622211648.

The previous prime is 403622211599. The next prime is 403622211761. The reversal of 403622211649 is 946112226304.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 220930081024 + 182692130625 = 470032^2 + 427425^2 .

It is a cyclic number.

It is not a de Polignac number, because 403622211649 - 2¹⁷ = 403622080577 is a prime.

It is not a weakly prime, because it can be changed into another prime (403662211649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201811105824 + 201811105825.

It is an arithmetic number, because the mean of its divisors is an integer number (201811105825).

Almost surely, 2^403622211649 is an apocalyptic number.

It is an amenable number.

403622211649 is a deficient number, since it is larger than the sum of its proper divisors (1).

403622211649 is an equidigital number, since it uses as much as digits as its factorization.

403622211649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 403622211649 in words is "four hundred three billion, six hundred twenty-two million, two hundred eleven thousand, six hundred forty-nine".