1749454909429 has 2 divisors, whose sum is σ = 1749454909430. Its totient is φ = 1749454909428.

The previous prime is 1749454909343. The next prime is 1749454909453. The reversal of 1749454909429 is 9249094549471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1111069889329 + 638385020100 = 1054073^2 + 798990^2 .

It is a cyclic number.

It is not a de Polignac number, because 1749454909429 - 2⁹ = 1749454908917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1749454909529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 874727454714 + 874727454715.

It is an arithmetic number, because the mean of its divisors is an integer number (874727454715).

Almost surely, 2^{1749454909429} is an apocalyptic number.

It is an amenable number.

1749454909429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1749454909429 is an equidigital number, since it uses as much as digits as its factorization.

1749454909429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117573120, while the sum is 67.

The spelling of 1749454909429 in words is "one trillion, seven hundred forty-nine billion, four hundred fifty-four million, nine hundred nine thousand, four hundred twenty-nine".