155734267623349 has 2 divisors, whose sum is σ = 155734267623350. Its totient is φ = 155734267623348.

The previous prime is 155734267623323. The next prime is 155734267623353. The reversal of 155734267623349 is 943326762437551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148284370320849 + 7449897302500 = 12177207^2 + 2729450^2 .

It is a cyclic number.

It is not a de Polignac number, because 155734267623349 - 2⁹ = 155734267622837 is a prime.

It is a super-2 number, since 2×155734267623349² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155734267621349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77867133811674 + 77867133811675.

It is an arithmetic number, because the mean of its divisors is an integer number (77867133811675).

Almost surely, 2^{155734267623349} is an apocalyptic number.

It is an amenable number.

155734267623349 is a deficient number, since it is larger than the sum of its proper divisors (1).

155734267623349 is an equidigital number, since it uses as much as digits as its factorization.

155734267623349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 685843200, while the sum is 67.

The spelling of 155734267623349 in words is "one hundred fifty-five trillion, seven hundred thirty-four billion, two hundred sixty-seven million, six hundred twenty-three thousand, three hundred forty-nine".