154338562349 has 2 divisors, whose sum is σ = 154338562350. Its totient is φ = 154338562348.

The previous prime is 154338562283. The next prime is 154338562369. The reversal of 154338562349 is 943265833451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116405157124 + 37933405225 = 341182^2 + 194765^2 .

It is a cyclic number.

It is not a de Polignac number, because 154338562349 - 2²⁴ = 154321785133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 154338562349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154338562369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77169281174 + 77169281175.

It is an arithmetic number, because the mean of its divisors is an integer number (77169281175).

Almost surely, 2^154338562349 is an apocalyptic number.

It is an amenable number.

154338562349 is a deficient number, since it is larger than the sum of its proper divisors (1).

154338562349 is an equidigital number, since it uses as much as digits as its factorization.

154338562349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9331200, while the sum is 53.

The spelling of 154338562349 in words is "one hundred fifty-four billion, three hundred thirty-eight million, five hundred sixty-two thousand, three hundred forty-nine".