1293700254421 has 2 divisors, whose sum is σ = 1293700254422. Its totient is φ = 1293700254420.

The previous prime is 1293700254409. The next prime is 1293700254449. The reversal of 1293700254421 is 1244520073921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1293462663025 + 237591396 = 1137305^2 + 15414^2 .

It is a cyclic number.

It is not a de Polignac number, because 1293700254421 - 2³⁵ = 1259340516053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1293700254461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646850127210 + 646850127211.

It is an arithmetic number, because the mean of its divisors is an integer number (646850127211).

Almost surely, 2^{1293700254421} is an apocalyptic number.

It is an amenable number.

1293700254421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1293700254421 is an equidigital number, since it uses as much as digits as its factorization.

1293700254421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 1293700254421 in words is "one trillion, two hundred ninety-three billion, seven hundred million, two hundred fifty-four thousand, four hundred twenty-one".