1377069013 has 2 divisors, whose sum is σ = 1377069014. Its totient is φ = 1377069012.

The previous prime is 1377068989. The next prime is 1377069077. The reversal of 1377069013 is 3109607731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1179441649 + 197627364 = 34343^2 + 14058^2 .

It is a cyclic number.

It is not a de Polignac number, because 1377069013 - 2⁵ = 1377068981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1377069313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688534506 + 688534507.

It is an arithmetic number, because the mean of its divisors is an integer number (688534507).

Almost surely, 2^1377069013 is an apocalyptic number.

It is an amenable number.

1377069013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377069013 is an equidigital number, since it uses as much as digits as its factorization.

1377069013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814, while the sum is 37.

The square root of 1377069013 is about 37108.8805139686. The cubic root of 1377069013 is about 1112.5475165161.

The spelling of 1377069013 in words is "one billion, three hundred seventy-seven million, sixty-nine thousand, thirteen".