629380736669 has 4 divisors (see below), whose sum is σ = 629648902944. Its totient is φ = 629112570396.

The previous prime is 629380736597. The next prime is 629380736693. The reversal of 629380736669 is 966637083926.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 966637083926 = 2 ⋅483318541963.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-629380736669 is a prime.

It is a super-2 number, since 2×629380736669² (a number of 24 digits) 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 (629380726669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134079617 + ... + 134084310.

It is an arithmetic number, because the mean of its divisors is an integer number (157412225736).

Almost surely, 2^629380736669 is an apocalyptic number.

It is an amenable number.

629380736669 is a deficient number, since it is larger than the sum of its proper divisors (268166275).

629380736669 is a wasteful number, since it uses less digits than its factorization.

629380736669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268166274.

The product of its (nonzero) digits is 105815808, while the sum is 65.

The spelling of 629380736669 in words is "six hundred twenty-nine billion, three hundred eighty million, seven hundred thirty-six thousand, six hundred sixty-nine".