1377845033 has 2 divisors, whose sum is σ = 1377845034. Its totient is φ = 1377845032.

The previous prime is 1377845009. The next prime is 1377845039. The reversal of 1377845033 is 3305487731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 923430544 + 454414489 = 30388^2 + 21317^2 .

It is a cyclic number.

It is not a de Polignac number, because 1377845033 - 2¹⁰ = 1377844009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1377845039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688922516 + 688922517.

It is an arithmetic number, because the mean of its divisors is an integer number (688922517).

Almost surely, 2^1377845033 is an apocalyptic number.

It is an amenable number.

1377845033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377845033 is an equidigital number, since it uses as much as digits as its factorization.

1377845033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 1377845033 is about 37119.3350290654. The cubic root of 1377845033 is about 1112.7564619865.

The spelling of 1377845033 in words is "one billion, three hundred seventy-seven million, eight hundred forty-five thousand, thirty-three".