1400773535549 has 2 divisors, whose sum is σ = 1400773535550. Its totient is φ = 1400773535548.

The previous prime is 1400773535509. The next prime is 1400773535591. The reversal of 1400773535549 is 9455353770041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1024812028900 + 375961506649 = 1012330^2 + 613157^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400773535549 - 2¹² = 1400773531453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1400773535549.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1400773535509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700386767774 + 700386767775.

It is an arithmetic number, because the mean of its divisors is an integer number (700386767775).

Almost surely, 2^{1400773535549} is an apocalyptic number.

It is an amenable number.

1400773535549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400773535549 is an equidigital number, since it uses as much as digits as its factorization.

1400773535549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938000, while the sum is 53.

The spelling of 1400773535549 in words is "one trillion, four hundred billion, seven hundred seventy-three million, five hundred thirty-five thousand, five hundred forty-nine".