1402443809293 has 2 divisors, whose sum is σ = 1402443809294. Its totient is φ = 1402443809292.

The previous prime is 1402443809279. The next prime is 1402443809401. The reversal of 1402443809293 is 3929083442041.

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., 1145032683844 + 257411125449 = 1070062^2 + 507357^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402443809293 - 2⁹ = 1402443808781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402443809593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701221904646 + 701221904647.

It is an arithmetic number, because the mean of its divisors is an integer number (701221904647).

Almost surely, 2^{1402443809293} is an apocalyptic number.

It is an amenable number.

1402443809293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402443809293 is an equidigital number, since it uses as much as digits as its factorization.

1402443809293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 1402443809293 in words is "one trillion, four hundred two billion, four hundred forty-three million, eight hundred nine thousand, two hundred ninety-three".