1374122549 has 2 divisors, whose sum is σ = 1374122550. Its totient is φ = 1374122548.

The previous prime is 1374122537. The next prime is 1374122587. The reversal of 1374122549 is 9452214731.

It is an a-pointer prime, because the next prime (1374122587) can be obtained adding 1374122549 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1074659524 + 299463025 = 32782^2 + 17305^2 .

It is a cyclic number.

It is not a de Polignac number, because 1374122549 - 2⁸ = 1374122293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1374127549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687061274 + 687061275.

It is an arithmetic number, because the mean of its divisors is an integer number (687061275).

Almost surely, 2^1374122549 is an apocalyptic number.

It is an amenable number.

1374122549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1374122549 is an equidigital number, since it uses as much as digits as its factorization.

1374122549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 1374122549 is about 37069.1590004413. The cubic root of 1374122549 is about 1111.7534575511.

The spelling of 1374122549 in words is "one billion, three hundred seventy-four million, one hundred twenty-two thousand, five hundred forty-nine".