4638769067 has 2 divisors, whose sum is σ = 4638769068. Its totient is φ = 4638769066.

The previous prime is 4638769061. The next prime is 4638769087. The reversal of 4638769067 is 7609678364.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4638769067 - 2¹² = 4638764971 is a prime.

It is not a weakly prime, because it can be changed into another prime (4638769061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2319384533 + 2319384534.

It is an arithmetic number, because the mean of its divisors is an integer number (2319384534).

Almost surely, 2^4638769067 is an apocalyptic number.

4638769067 is a deficient number, since it is larger than the sum of its proper divisors (1).

4638769067 is an equidigital number, since it uses as much as digits as its factorization.

4638769067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The square root of 4638769067 is about 68108.5095050538. The cubic root of 4638769067 is about 1667.7626782483.

The spelling of 4638769067 in words is "four billion, six hundred thirty-eight million, seven hundred sixty-nine thousand, sixty-seven".