629769943 has 8 divisors (see below), whose sum is σ = 687985920. Its totient is φ = 571714680.

The previous prime is 629769937. The next prime is 629769949. The reversal of 629769943 is 349967926.

629769943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (629769937) and next prime (629769949).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-629769943 is a prime.

It is a super-2 number, since 2×629769943² = 793220362212446498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629769949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31905 + ... + 47722.

It is an arithmetic number, because the mean of its divisors is an integer number (85998240).

Almost surely, 2^629769943 is an apocalyptic number.

629769943 is a deficient number, since it is larger than the sum of its proper divisors (58215977).

629769943 is a wasteful number, since it uses less digits than its factorization.

629769943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80357.

The product of its digits is 4408992, while the sum is 55.

The square root of 629769943 is about 25095.2175324304. The cubic root of 629769943 is about 857.1575267979.

The spelling of 629769943 in words is "six hundred twenty-nine million, seven hundred sixty-nine thousand, nine hundred forty-three".