1009926280387 has 2 divisors, whose sum is σ = 1009926280388. Its totient is φ = 1009926280386.

The previous prime is 1009926280367. The next prime is 1009926280399. The reversal of 1009926280387 is 7830826299001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1009926280387 is a prime.

It is not a weakly prime, because it can be changed into another prime (1009926280367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504963140193 + 504963140194.

It is an arithmetic number, because the mean of its divisors is an integer number (504963140194).

Almost surely, 2^{1009926280387} is an apocalyptic number.

1009926280387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009926280387 is an equidigital number, since it uses as much as digits as its factorization.

1009926280387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 1009926280387 in words is "one trillion, nine billion, nine hundred twenty-six million, two hundred eighty thousand, three hundred eighty-seven".