1011945367 has 2 divisors, whose sum is σ = 1011945368. Its totient is φ = 1011945366.

The previous prime is 1011945323. The next prime is 1011945413. The reversal of 1011945367 is 7635491101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1011945367 - 2²³ = 1003556759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011945317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505972683 + 505972684.

It is an arithmetic number, because the mean of its divisors is an integer number (505972684).

Almost surely, 2^1011945367 is an apocalyptic number.

1011945367 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011945367 is an equidigital number, since it uses as much as digits as its factorization.

1011945367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 1011945367 is about 31811.0887427639. The cubic root of 1011945367 is about 1003.9660387421.

The spelling of 1011945367 in words is "one billion, eleven million, nine hundred forty-five thousand, three hundred sixty-seven".