629293213 has 4 divisors (see below), whose sum is σ = 629569948. Its totient is φ = 629016480.

The previous prime is 629293201. The next prime is 629293253. The reversal of 629293213 is 312392926.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 377214084 + 252079129 = 19422^2 + 15877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-629293213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629293253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134928 + ... + 139513.

It is an arithmetic number, because the mean of its divisors is an integer number (157392487).

Almost surely, 2^629293213 is an apocalyptic number.

It is an amenable number.

629293213 is a deficient number, since it is larger than the sum of its proper divisors (276735).

629293213 is a wasteful number, since it uses less digits than its factorization.

629293213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276734.

The product of its digits is 34992, while the sum is 37.

The square root of 629293213 is about 25085.7173108524. The cubic root of 629293213 is about 856.9411854359.

The spelling of 629293213 in words is "six hundred twenty-nine million, two hundred ninety-three thousand, two hundred thirteen".