1349990787599 has 2 divisors, whose sum is σ = 1349990787600. Its totient is φ = 1349990787598.

The previous prime is 1349990787571. The next prime is 1349990787643. The reversal of 1349990787599 is 9957870999431.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1349990787599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1349990784599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674995393799 + 674995393800.

It is an arithmetic number, because the mean of its divisors is an integer number (674995393800).

Almost surely, 2^{1349990787599} is an apocalyptic number.

1349990787599 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349990787599 is an equidigital number, since it uses as much as digits as its factorization.

1349990787599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1388832480, while the sum is 80.

The spelling of 1349990787599 in words is "one trillion, three hundred forty-nine billion, nine hundred ninety million, seven hundred eighty-seven thousand, five hundred ninety-nine".