13421454169 has 2 divisors, whose sum is σ = 13421454170. Its totient is φ = 13421454168.

The previous prime is 13421454143. The next prime is 13421454191. The reversal of 13421454169 is 96145412431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12869768025 + 551686144 = 113445^2 + 23488^2 .

It is a cyclic number.

It is not a de Polignac number, because 13421454169 - 2⁷ = 13421454041 is a prime.

It is a super-2 number, since 2×13421454169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13421454119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710727084 + 6710727085.

It is an arithmetic number, because the mean of its divisors is an integer number (6710727085).

Almost surely, 2^13421454169 is an apocalyptic number.

It is an amenable number.

13421454169 is a deficient number, since it is larger than the sum of its proper divisors (1).

13421454169 is an equidigital number, since it uses as much as digits as its factorization.

13421454169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The spelling of 13421454169 in words is "thirteen billion, four hundred twenty-one million, four hundred fifty-four thousand, one hundred sixty-nine".