629618141 has 4 divisors (see below), whose sum is σ = 629723484. Its totient is φ = 629512800.

The previous prime is 629618113. The next prime is 629618147. The reversal of 629618141 is 141816926.

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 92352100 + 537266041 = 9610^2 + 23179^2 .

It is a cyclic number.

It is not a de Polignac number, because 629618141 - 2¹⁴ = 629601757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 629618095 and 629618104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629618147) 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 in 3 ways as a sum of consecutive naturals, for example, 43130 + ... + 55851.

It is an arithmetic number, because the mean of its divisors is an integer number (157430871).

Almost surely, 2^629618141 is an apocalyptic number.

It is an amenable number.

629618141 is a deficient number, since it is larger than the sum of its proper divisors (105343).

629618141 is an equidigital number, since it uses as much as digits as its factorization.

629618141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105342.

The product of its digits is 20736, while the sum is 38.

The square root of 629618141 is about 25092.1928296432. The cubic root of 629618141 is about 857.0886504913.

The spelling of 629618141 in words is "six hundred twenty-nine million, six hundred eighteen thousand, one hundred forty-one".