43269493349 has 2 divisors, whose sum is σ = 43269493350. Its totient is φ = 43269493348.

The previous prime is 43269493313. The next prime is 43269493357. The reversal of 43269493349 is 94339496234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42146037025 + 1123456324 = 205295^2 + 33518^2 .

It is a cyclic number.

It is not a de Polignac number, because 43269493349 - 2⁸ = 43269493093 is a prime.

It is a super-3 number, since 3×43269493349³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43269493294 and 43269493303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43269493549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21634746674 + 21634746675.

It is an arithmetic number, because the mean of its divisors is an integer number (21634746675).

Almost surely, 2^43269493349 is an apocalyptic number.

It is an amenable number.

43269493349 is a deficient number, since it is larger than the sum of its proper divisors (1).

43269493349 is an equidigital number, since it uses as much as digits as its factorization.

43269493349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15116544, while the sum is 56.

The spelling of 43269493349 in words is "forty-three billion, two hundred sixty-nine million, four hundred ninety-three thousand, three hundred forty-nine".