1035640667 has 2 divisors, whose sum is σ = 1035640668. Its totient is φ = 1035640666.

The previous prime is 1035640637. The next prime is 1035640679. The reversal of 1035640667 is 7660465301.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1035640667 is a prime.

It is a super-3 number, since 3×1035640667³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1035640667.

It is not a weakly prime, because it can be changed into another prime (1035640637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517820333 + 517820334.

It is an arithmetic number, because the mean of its divisors is an integer number (517820334).

Almost surely, 2^1035640667 is an apocalyptic number.

1035640667 is a deficient number, since it is larger than the sum of its proper divisors (1).

1035640667 is an equidigital number, since it uses as much as digits as its factorization.

1035640667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 1035640667 is about 32181.3714282036. The cubic root of 1035640667 is about 1011.7418125560.

The spelling of 1035640667 in words is "one billion, thirty-five million, six hundred forty thousand, six hundred sixty-seven".