1421314432949 has 2 divisors, whose sum is σ = 1421314432950. Its totient is φ = 1421314432948.

The previous prime is 1421314432913. The next prime is 1421314433081. The reversal of 1421314432949 is 9492344131241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1352087560849 + 69226872100 = 1162793^2 + 263110^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421314432949 - 2¹⁶ = 1421314367413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421314432849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710657216474 + 710657216475.

It is an arithmetic number, because the mean of its divisors is an integer number (710657216475).

Almost surely, 2^{1421314432949} is an apocalyptic number.

It is an amenable number.

1421314432949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421314432949 is an equidigital number, since it uses as much as digits as its factorization.

1421314432949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 47.

The spelling of 1421314432949 in words is "one trillion, four hundred twenty-one billion, three hundred fourteen million, four hundred thirty-two thousand, nine hundred forty-nine".