149243953349 has 2 divisors, whose sum is σ = 149243953350. Its totient is φ = 149243953348.

The previous prime is 149243953333. The next prime is 149243953399. The reversal of 149243953349 is 943359342941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 149241597124 + 2356225 = 386318^2 + 1535^2 .

It is a cyclic number.

It is not a de Polignac number, because 149243953349 - 2⁴ = 149243953333 is a prime.

It is a super-2 number, since 2×149243953349² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149243953294 and 149243953303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149243953319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74621976674 + 74621976675.

It is an arithmetic number, because the mean of its divisors is an integer number (74621976675).

Almost surely, 2^149243953349 is an apocalyptic number.

It is an amenable number.

149243953349 is a deficient number, since it is larger than the sum of its proper divisors (1).

149243953349 is an equidigital number, since it uses as much as digits as its factorization.

149243953349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12597120, while the sum is 56.

The spelling of 149243953349 in words is "one hundred forty-nine billion, two hundred forty-three million, nine hundred fifty-three thousand, three hundred forty-nine".