6620797452 has 54 divisors (see below), whose sum is σ = 15692346012. Its totient is φ = 2172638544.

The previous prime is 6620797439. The next prime is 6620797453. The reversal of 6620797452 is 2547970266.

It is not an unprimeable number, because it can be changed into a prime (6620797453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23394903 + ... + 23395185.

Almost surely, 2^6620797452 is an apocalyptic number.

It is an amenable number.

6620797452 is an abundant number, since it is smaller than the sum of its proper divisors (9071548560).

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

6620797452 is an equidigital number, since it uses as much as digits as its factorization.

6620797452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 48.

The square root of 6620797452 is about 81368.2828379707. The cubic root of 6620797452 is about 1877.7456617574.

Multiplying 6620797452 by its sum of digits (48), we get a square (317798277696 = 563736²).

The spelling of 6620797452 in words is "six billion, six hundred twenty million, seven hundred ninety-seven thousand, four hundred fifty-two".