6620312454 has 32 divisors (see below), whose sum is σ = 15180518400. Its totient is φ = 1885470912.

The previous prime is 6620312407. The next prime is 6620312507. The reversal of 6620312454 is 4542130266.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 238654 + ... + 264945.

It is an arithmetic number, because the mean of its divisors is an integer number (474391200).

Almost surely, 2^6620312454 is an apocalyptic number.

6620312454 is an abundant number, since it is smaller than the sum of its proper divisors (8560205946).

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

6620312454 is a wasteful number, since it uses less digits than its factorization.

6620312454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503924.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 6620312454 is about 81365.3025189485. The cubic root of 6620312454 is about 1877.6998100235.

The spelling of 6620312454 in words is "six billion, six hundred twenty million, three hundred twelve thousand, four hundred fifty-four".