1283947892707 has 2 divisors, whose sum is σ = 1283947892708. Its totient is φ = 1283947892706.

The previous prime is 1283947892687. The next prime is 1283947892723. The reversal of 1283947892707 is 7072987493821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1283947892707 is a prime.

It is not a weakly prime, because it can be changed into another prime (1283947892797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641973946353 + 641973946354.

It is an arithmetic number, because the mean of its divisors is an integer number (641973946354).

Almost surely, 2^{1283947892707} is an apocalyptic number.

1283947892707 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283947892707 is an equidigital number, since it uses as much as digits as its factorization.

1283947892707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85349376, while the sum is 67.

The spelling of 1283947892707 in words is "one trillion, two hundred eighty-three billion, nine hundred forty-seven million, eight hundred ninety-two thousand, seven hundred seven".