629240741 has 2 divisors, whose sum is σ = 629240742. Its totient is φ = 629240740.

The previous prime is 629240683. The next prime is 629240743. The reversal of 629240741 is 147042926.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 516243841 + 112996900 = 22721^2 + 10630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-629240741 is a prime.

Together with 629240743, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (629240743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314620370 + 314620371.

It is an arithmetic number, because the mean of its divisors is an integer number (314620371).

Almost surely, 2^629240741 is an apocalyptic number.

It is an amenable number.

629240741 is a deficient number, since it is larger than the sum of its proper divisors (1).

629240741 is an equidigital number, since it uses as much as digits as its factorization.

629240741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 629240741 is about 25084.6714349620. The cubic root of 629240741 is about 856.9173668265.

The spelling of 629240741 in words is "six hundred twenty-nine million, two hundred forty thousand, seven hundred forty-one".