1630445107 has 2 divisors, whose sum is σ = 1630445108. Its totient is φ = 1630445106.

The previous prime is 1630445101. The next prime is 1630445123. The reversal of 1630445107 is 7015440361.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1630445107 - 2²⁷ = 1496227379 is a prime.

It is not a weakly prime, because it can be changed into another prime (1630445101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 815222553 + 815222554.

It is an arithmetic number, because the mean of its divisors is an integer number (815222554).

Almost surely, 2^1630445107 is an apocalyptic number.

1630445107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1630445107 is an equidigital number, since it uses as much as digits as its factorization.

1630445107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 1630445107 is about 40378.7704988649. The cubic root of 1630445107 is about 1176.9790356534.

Adding to 1630445107 its reverse (7015440361), we get a palindrome (8645885468).

The spelling of 1630445107 in words is "one billion, six hundred thirty million, four hundred forty-five thousand, one hundred seven".