6542146412456 has 32 divisors (see below), whose sum is σ = 12389236622280. Its totient is φ = 3238356576000.

The previous prime is 6542146412383. The next prime is 6542146412479.

6542146412456 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 4529533192900 + 2012613219556 = 2128270^2 + 1418666^2 .

It is a super-2 number, since 2×6542146412456² (a number of 26 digits) contains 22 as substring.

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, 7625090 + ... + 8439566.

Almost surely, 2^{6542146412456} is an apocalyptic number.

It is an amenable number.

6542146412456 is a deficient number, since it is larger than the sum of its proper divisors (5847090209824).

6542146412456 is a wasteful number, since it uses less digits than its factorization.

6542146412456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824525 (or 824521 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 50.

The spelling of 6542146412456 in words is "six trillion, five hundred forty-two billion, one hundred forty-six million, four hundred twelve thousand, four hundred fifty-six".