6539662063942 has 32 divisors (see below), whose sum is σ = 11258308454400. Its totient is φ = 2790848665248.

The previous prime is 6539662063931. The next prime is 6539662063969. The reversal of 6539662063942 is 2493602669356.

It is a super-3 number, since 3×6539662063942³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98516559 + ... + 98582917.

It is an arithmetic number, because the mean of its divisors is an integer number (351822139200).

Almost surely, 2^{6539662063942} is an apocalyptic number.

6539662063942 is a deficient number, since it is larger than the sum of its proper divisors (4718646390458).

6539662063942 is a wasteful number, since it uses less digits than its factorization.

6539662063942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96060.

The product of its (nonzero) digits is 75582720, while the sum is 61.

The spelling of 6539662063942 in words is "six trillion, five hundred thirty-nine billion, six hundred sixty-two million, sixty-three thousand, nine hundred forty-two".