1641465767 has 2 divisors, whose sum is σ = 1641465768. Its totient is φ = 1641465766.

The previous prime is 1641465737. The next prime is 1641465773. The reversal of 1641465767 is 7675641461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1641465767 - 2¹⁰ = 1641464743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1641465737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820732883 + 820732884.

It is an arithmetic number, because the mean of its divisors is an integer number (820732884).

Almost surely, 2^1641465767 is an apocalyptic number.

1641465767 is a deficient number, since it is larger than the sum of its proper divisors (1).

1641465767 is an equidigital number, since it uses as much as digits as its factorization.

1641465767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 47.

The square root of 1641465767 is about 40515.0066888801. The cubic root of 1641465767 is about 1179.6249327448.

The spelling of 1641465767 in words is "one billion, six hundred forty-one million, four hundred sixty-five thousand, seven hundred sixty-seven".