629421030997 has 4 divisors (see below), whose sum is σ = 686641124736. Its totient is φ = 572200937260.

The previous prime is 629421030937. The next prime is 629421031003. The reversal of 629421030997 is 799030124926.

It is a happy number.

629421030997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-629421030997 is a prime.

It is a super-2 number, since 2×629421030997² (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 (629421030937) 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, 28610046853 + ... + 28610046874.

It is an arithmetic number, because the mean of its divisors is an integer number (171660281184).

Almost surely, 2^629421030997 is an apocalyptic number.

It is an amenable number.

629421030997 is a deficient number, since it is larger than the sum of its proper divisors (57220093739).

629421030997 is a wasteful number, since it uses less digits than its factorization.

629421030997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57220093738.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The spelling of 629421030997 in words is "six hundred twenty-nine billion, four hundred twenty-one million, thirty thousand, nine hundred ninety-seven".