6429625490 has 8 divisors (see below), whose sum is σ = 11573325900. Its totient is φ = 2571850192.

The previous prime is 6429625483. The next prime is 6429625511. The reversal of 6429625490 is 945269246.

It can be written as a sum of positive squares in 2 ways, for example, as 6051439681 + 378185809 = 77791^2 + 19447^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321481265 + ... + 321481284.

Almost surely, 2^6429625490 is an apocalyptic number.

6429625490 is a deficient number, since it is larger than the sum of its proper divisors (5143700410).

6429625490 is a wasteful number, since it uses less digits than its factorization.

6429625490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642962556.

The product of its (nonzero) digits is 933120, while the sum is 47.

The square root of 6429625490 is about 80184.9455321883. The cubic root of 6429625490 is about 1859.4959024328.

The spelling of 6429625490 in words is "six billion, four hundred twenty-nine million, six hundred twenty-five thousand, four hundred ninety".