1268901419 has 2 divisors, whose sum is σ = 1268901420. Its totient is φ = 1268901418.

The previous prime is 1268901407. The next prime is 1268901451. The reversal of 1268901419 is 9141098621.

It is a weak prime.

It is an emirp because it is prime and its reverse (9141098621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1268901419 is a prime.

It is a super-2 number, since 2×1268901419² = 3220221622280427122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1268901019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634450709 + 634450710.

It is an arithmetic number, because the mean of its divisors is an integer number (634450710).

Almost surely, 2^1268901419 is an apocalyptic number.

1268901419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1268901419 is an equidigital number, since it uses as much as digits as its factorization.

1268901419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 1268901419 is about 35621.6425645983. The cubic root of 1268901419 is about 1082.6197885100.

The spelling of 1268901419 in words is "one billion, two hundred sixty-eight million, nine hundred one thousand, four hundred nineteen".