1648132867 has 2 divisors, whose sum is σ = 1648132868. Its totient is φ = 1648132866.

The previous prime is 1648132859. The next prime is 1648132897. The reversal of 1648132867 is 7682318461.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1648132867 - 2³ = 1648132859 is a prime.

It is not a weakly prime, because it can be changed into another prime (1648132817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 824066433 + 824066434.

It is an arithmetic number, because the mean of its divisors is an integer number (824066434).

Almost surely, 2^1648132867 is an apocalyptic number.

1648132867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1648132867 is an equidigital number, since it uses as much as digits as its factorization.

1648132867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 46.

The square root of 1648132867 is about 40597.2026992008. The cubic root of 1648132867 is about 1181.2198595857.

The spelling of 1648132867 in words is "one billion, six hundred forty-eight million, one hundred thirty-two thousand, eight hundred sixty-seven".