6553623771402 has 32 divisors (see below), whose sum is σ = 13677640238592. Its totient is φ = 2089482924144.

The previous prime is 6553623771337. The next prime is 6553623771403. The reversal of 6553623771402 is 2041773263556.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6553623771403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2864793 + ... + 4616739.

It is an arithmetic number, because the mean of its divisors is an integer number (427426257456).

Almost surely, 2^{6553623771402} is an apocalyptic number.

6553623771402 is an abundant number, since it is smaller than the sum of its proper divisors (7124016467190).

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

6553623771402 is a wasteful number, since it uses less digits than its factorization.

6553623771402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779082.

The product of its (nonzero) digits is 6350400, while the sum is 51.

The spelling of 6553623771402 in words is "six trillion, five hundred fifty-three billion, six hundred twenty-three million, seven hundred seventy-one thousand, four hundred two".