6621232402 has 16 divisors (see below), whose sum is σ = 10426003200. Its totient is φ = 3149518320.

The previous prime is 6621232357. The next prime is 6621232417. The reversal of 6621232402 is 2042321266.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901377 + ... + 908692.

It is an arithmetic number, because the mean of its divisors is an integer number (651625200).

Almost surely, 2^6621232402 is an apocalyptic number.

6621232402 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6621232402 is a deficient number, since it is larger than the sum of its proper divisors (3804770798).

6621232402 is a wasteful number, since it uses less digits than its factorization.

6621232402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810161.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 6621232402 is about 81370.9555185387. The cubic root of 6621232402 is about 1877.7867800465.

Adding to 6621232402 its reverse (2042321266), we get a palindrome (8663553668).

The spelling of 6621232402 in words is "six billion, six hundred twenty-one million, two hundred thirty-two thousand, four hundred two".