1387710263 has 2 divisors, whose sum is σ = 1387710264. Its totient is φ = 1387710262.

The previous prime is 1387710229. The next prime is 1387710281. The reversal of 1387710263 is 3620177831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1387710263 - 2¹² = 1387706167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1387710293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693855131 + 693855132.

It is an arithmetic number, because the mean of its divisors is an integer number (693855132).

Almost surely, 2^1387710263 is an apocalyptic number.

1387710263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1387710263 is an equidigital number, since it uses as much as digits as its factorization.

1387710263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 1387710263 is about 37251.9833431725. The cubic root of 1387710263 is about 1115.4058897507.

The spelling of 1387710263 in words is "one billion, three hundred eighty-seven million, seven hundred ten thousand, two hundred sixty-three".