1067969641 has 4 divisors (see below), whose sum is σ = 1068169284. Its totient is φ = 1067770000.

The previous prime is 1067969627. The next prime is 1067969653. The reversal of 1067969641 is 1469697601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 930494016 + 137475625 = 30504^2 + 11725^2 .

It is a cyclic number.

It is not a de Polignac number, because 1067969641 - 2⁹ = 1067969129 is a prime.

It is a super-2 number, since 2×1067969641² = 2281118308195337762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1067969621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91570 + ... + 102571.

It is an arithmetic number, because the mean of its divisors is an integer number (267042321).

Almost surely, 2^1067969641 is an apocalyptic number.

It is an amenable number.

1067969641 is a deficient number, since it is larger than the sum of its proper divisors (199643).

1067969641 is an equidigital number, since it uses as much as digits as its factorization.

1067969641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199642.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 1067969641 is about 32679.8047882786. The cubic root of 1067969641 is about 1022.1617745399.

The spelling of 1067969641 in words is "one billion, sixty-seven million, nine hundred sixty-nine thousand, six hundred forty-one".