6342939486556 has 12 divisors (see below), whose sum is σ = 11128104164968. Its totient is φ = 3163481153712.

The previous prime is 6342939486523. The next prime is 6342939486563. The reversal of 6342939486556 is 6556849392436.

It is a super-2 number, since 2×6342939486556² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 1997145606 + ... + 1997148781.

Almost surely, 2^{6342939486556} is an apocalyptic number.

It is an amenable number.

6342939486556 is a deficient number, since it is larger than the sum of its proper divisors (4785164678412).

6342939486556 is a wasteful number, since it uses less digits than its factorization.

6342939486556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994294788 (or 3994294786 counting only the distinct ones).

The product of its digits is 1007769600, while the sum is 70.

The spelling of 6342939486556 in words is "six trillion, three hundred forty-two billion, nine hundred thirty-nine million, four hundred eighty-six thousand, five hundred fifty-six".