1349679887 has 2 divisors, whose sum is σ = 1349679888. Its totient is φ = 1349679886.

The previous prime is 1349679833. The next prime is 1349679901. The reversal of 1349679887 is 7889769431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1349679887 - 2¹⁶ = 1349614351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1349679817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674839943 + 674839944.

It is an arithmetic number, because the mean of its divisors is an integer number (674839944).

Almost surely, 2^1349679887 is an apocalyptic number.

1349679887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349679887 is an equidigital number, since it uses as much as digits as its factorization.

1349679887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18289152, while the sum is 62.

The square root of 1349679887 is about 36737.9896973147. The cubic root of 1349679887 is about 1105.1220866588.

The spelling of 1349679887 in words is "one billion, three hundred forty-nine million, six hundred seventy-nine thousand, eight hundred eighty-seven".