6625923402 has 64 divisors (see below), whose sum is σ = 15505161984. Its totient is φ = 1848614400.

The previous prime is 6625923397. The next prime is 6625923439. The reversal of 6625923402 is 2043295266.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 298968 + ... + 320364.

It is an arithmetic number, because the mean of its divisors is an integer number (242268156).

Almost surely, 2^6625923402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6625923402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7752580992).

6625923402 is an abundant number, since it is smaller than the sum of its proper divisors (8879238582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6625923402 is a wasteful number, since it uses less digits than its factorization.

6625923402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21583.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 6625923402 is about 81399.7751962498. The cubic root of 6625923402 is about 1878.2301324725.

The spelling of 6625923402 in words is "six billion, six hundred twenty-five million, nine hundred twenty-three thousand, four hundred two".