629488157 has 2 divisors, whose sum is σ = 629488158. Its totient is φ = 629488156.

The previous prime is 629488109. The next prime is 629488213. The reversal of 629488157 is 751884926.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 603488356 + 25999801 = 24566^2 + 5099^2 .

It is a cyclic number.

It is not a de Polignac number, because 629488157 - 2¹² = 629484061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (629488757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314744078 + 314744079.

It is an arithmetic number, because the mean of its divisors is an integer number (314744079).

Almost surely, 2^629488157 is an apocalyptic number.

It is an amenable number.

629488157 is a deficient number, since it is larger than the sum of its proper divisors (1).

629488157 is an equidigital number, since it uses as much as digits as its factorization.

629488157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 50.

The square root of 629488157 is about 25089.6025675976. The cubic root of 629488157 is about 857.0296647498.

The spelling of 629488157 in words is "six hundred twenty-nine million, four hundred eighty-eight thousand, one hundred fifty-seven".