7639449067 has 2 divisors, whose sum is σ = 7639449068. Its totient is φ = 7639449066.

The previous prime is 7639449061. The next prime is 7639449109. The reversal of 7639449067 is 7609449367.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7639449067 - 2⁷ = 7639448939 is a prime.

It is a super-2 number, since 2×7639449067² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7639448999 and 7639449017.

It is not a weakly prime, because it can be changed into another prime (7639449061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3819724533 + 3819724534.

It is an arithmetic number, because the mean of its divisors is an integer number (3819724534).

Almost surely, 2^7639449067 is an apocalyptic number.

7639449067 is a deficient number, since it is larger than the sum of its proper divisors (1).

7639449067 is an equidigital number, since it uses as much as digits as its factorization.

7639449067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 55.

The square root of 7639449067 is about 87403.9419419971. The cubic root of 7639449067 is about 1969.4910575992.

The spelling of 7639449067 in words is "seven billion, six hundred thirty-nine million, four hundred forty-nine thousand, sixty-seven".