1401276401533 has 2 divisors, whose sum is σ = 1401276401534. Its totient is φ = 1401276401532.

The previous prime is 1401276401461. The next prime is 1401276401537. The reversal of 1401276401533 is 3351046721041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1346764892004 + 54511509529 = 1160502^2 + 233477^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401276401533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1401276401492 and 1401276401501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401276401537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700638200766 + 700638200767.

It is an arithmetic number, because the mean of its divisors is an integer number (700638200767).

Almost surely, 2^{1401276401533} is an apocalyptic number.

It is an amenable number.

1401276401533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401276401533 is an equidigital number, since it uses as much as digits as its factorization.

1401276401533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 1401276401533 in words is "one trillion, four hundred one billion, two hundred seventy-six million, four hundred one thousand, five hundred thirty-three".