1401626745793 has 2 divisors, whose sum is σ = 1401626745794. Its totient is φ = 1401626745792.

The previous prime is 1401626745731. The next prime is 1401626745797. The reversal of 1401626745793 is 3975476261041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 707117855409 + 694508890384 = 840903^2 + 833372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401626745793 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401626745797) 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, 700813372896 + 700813372897.

It is an arithmetic number, because the mean of its divisors is an integer number (700813372897).

Almost surely, 2^{1401626745793} is an apocalyptic number.

It is an amenable number.

1401626745793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401626745793 is an equidigital number, since it uses as much as digits as its factorization.

1401626745793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 1401626745793 in words is "one trillion, four hundred one billion, six hundred twenty-six million, seven hundred forty-five thousand, seven hundred ninety-three".