612764629 has 2 divisors, whose sum is σ = 612764630. Its totient is φ = 612764628.

The previous prime is 612764627. The next prime is 612764651. The reversal of 612764629 is 926467216.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 471107025 + 141657604 = 21705^2 + 11902^2 .

It is a cyclic number.

It is not a de Polignac number, because 612764629 - 2¹ = 612764627 is a prime.

Together with 612764627, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612764627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306382314 + 306382315.

It is an arithmetic number, because the mean of its divisors is an integer number (306382315).

Almost surely, 2^612764629 is an apocalyptic number.

It is an amenable number.

612764629 is a deficient number, since it is larger than the sum of its proper divisors (1).

612764629 is an equidigital number, since it uses as much as digits as its factorization.

612764629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 612764629 is about 24754.0830773430. The cubic root of 612764629 is about 849.3719138605.

It can be divided in two parts, 6127 and 64629, that added together give a square (70756 = 266²).

The spelling of 612764629 in words is "six hundred twelve million, seven hundred sixty-four thousand, six hundred twenty-nine".