1431741021349 has 2 divisors, whose sum is σ = 1431741021350. Its totient is φ = 1431741021348.

The previous prime is 1431741021317. The next prime is 1431741021371. The reversal of 1431741021349 is 9431201471341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1350667001124 + 81074020225 = 1162182^2 + 284735^2 .

It is a cyclic number.

It is not a de Polignac number, because 1431741021349 - 2⁵ = 1431741021317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1431741001349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715870510674 + 715870510675.

It is an arithmetic number, because the mean of its divisors is an integer number (715870510675).

Almost surely, 2^{1431741021349} is an apocalyptic number.

It is an amenable number.

1431741021349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431741021349 is an equidigital number, since it uses as much as digits as its factorization.

1431741021349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 1431741021349 in words is "one trillion, four hundred thirty-one billion, seven hundred forty-one million, twenty-one thousand, three hundred forty-nine".