1405259020741 has 2 divisors, whose sum is σ = 1405259020742. Its totient is φ = 1405259020740.

The previous prime is 1405259020727. The next prime is 1405259020801. The reversal of 1405259020741 is 1470209525041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1386906628900 + 18352391841 = 1177670^2 + 135471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1405259020741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1405259020694 and 1405259020703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1405259020241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702629510370 + 702629510371.

It is an arithmetic number, because the mean of its divisors is an integer number (702629510371).

Almost surely, 2^{1405259020741} is an apocalyptic number.

It is an amenable number.

1405259020741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405259020741 is an equidigital number, since it uses as much as digits as its factorization.

1405259020741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 1405259020741 in words is "one trillion, four hundred five billion, two hundred fifty-nine million, twenty thousand, seven hundred forty-one".