1405273453403 has 2 divisors, whose sum is σ = 1405273453404. Its totient is φ = 1405273453402.

The previous prime is 1405273453373. The next prime is 1405273453453. The reversal of 1405273453403 is 3043543725041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1405273453403 - 2²⁸ = 1405005017947 is a prime.

It is a super-2 number, since 2×1405273453403² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1405273453453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702636726701 + 702636726702.

It is an arithmetic number, because the mean of its divisors is an integer number (702636726702).

Almost surely, 2^{1405273453403} is an apocalyptic number.

1405273453403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405273453403 is an equidigital number, since it uses as much as digits as its factorization.

1405273453403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 41.

The spelling of 1405273453403 in words is "one trillion, four hundred five billion, two hundred seventy-three million, four hundred fifty-three thousand, four hundred three".