6535620074444 has 12 divisors (see below), whose sum is σ = 11598424357968. Its totient is φ = 3221784543600.

The previous prime is 6535620074411. The next prime is 6535620074479. The reversal of 6535620074444 is 4444700265356.

It is a super-2 number, since 2×6535620074444² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6535620074392 and 6535620074401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11506373087 + ... + 11506373654.

It is an arithmetic number, because the mean of its divisors is an integer number (966535363164).

Almost surely, 2^{6535620074444} is an apocalyptic number.

It is an amenable number.

6535620074444 is a deficient number, since it is larger than the sum of its proper divisors (5062804283524).

6535620074444 is a wasteful number, since it uses less digits than its factorization.

6535620074444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23012746816 (or 23012746814 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 50.

The spelling of 6535620074444 in words is "six trillion, five hundred thirty-five billion, six hundred twenty million, seventy-four thousand, four hundred forty-four".