6401622467 has 2 divisors, whose sum is σ = 6401622468. Its totient is φ = 6401622466.

The previous prime is 6401622431. The next prime is 6401622497. The reversal of 6401622467 is 7642261046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6401622467 - 2¹⁸ = 6401360323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6401622467.

It is not a weakly prime, because it can be changed into another prime (6401622497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3200811233 + 3200811234.

It is an arithmetic number, because the mean of its divisors is an integer number (3200811234).

Almost surely, 2^6401622467 is an apocalyptic number.

6401622467 is a deficient number, since it is larger than the sum of its proper divisors (1).

6401622467 is an equidigital number, since it uses as much as digits as its factorization.

6401622467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 6401622467 is about 80010.1397761559. The cubic root of 6401622467 is about 1856.7924123705.

The spelling of 6401622467 in words is "six billion, four hundred one million, six hundred twenty-two thousand, four hundred sixty-seven".