669147103 has 2 divisors, whose sum is σ = 669147104. Its totient is φ = 669147102.

The previous prime is 669147091. The next prime is 669147107. The reversal of 669147103 is 301741966.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 669147103 - 2⁵ = 669147071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (669147107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334573551 + 334573552.

It is an arithmetic number, because the mean of its divisors is an integer number (334573552).

Almost surely, 2^669147103 is an apocalyptic number.

669147103 is a deficient number, since it is larger than the sum of its proper divisors (1).

669147103 is an equidigital number, since it uses as much as digits as its factorization.

669147103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 669147103 is about 25867.8778217310. The cubic root of 669147103 is about 874.6625541793.

The spelling of 669147103 in words is "six hundred sixty-nine million, one hundred forty-seven thousand, one hundred three".