629131403 has 2 divisors, whose sum is σ = 629131404. Its totient is φ = 629131402.

The previous prime is 629131381. The next prime is 629131421. The reversal of 629131403 is 304131926.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 629131403 - 2¹² = 629127307 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (629131463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314565701 + 314565702.

It is an arithmetic number, because the mean of its divisors is an integer number (314565702).

Almost surely, 2^629131403 is an apocalyptic number.

629131403 is a deficient number, since it is larger than the sum of its proper divisors (1).

629131403 is an equidigital number, since it uses as much as digits as its factorization.

629131403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 629131403 is about 25082.4919615257. The cubic root of 629131403 is about 856.8677307852.

The spelling of 629131403 in words is "six hundred twenty-nine million, one hundred thirty-one thousand, four hundred three".