1542536626646 has 8 divisors (see below), whose sum is σ = 2313812837640. Its totient is φ = 771265680768.

The previous prime is 1542536626627. The next prime is 1542536626649. The reversal of 1542536626646 is 6466266352451.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1542536626591 and 1542536626600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542536626649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476756 + ... + 1819991.

It is an arithmetic number, because the mean of its divisors is an integer number (289226604705).

Almost surely, 2^{1542536626646} is an apocalyptic number.

1542536626646 is a deficient number, since it is larger than the sum of its proper divisors (771276210994).

1542536626646 is a wasteful number, since it uses less digits than its factorization.

1542536626646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632558.

The product of its digits is 37324800, while the sum is 56.

The spelling of 1542536626646 in words is "one trillion, five hundred forty-two billion, five hundred thirty-six million, six hundred twenty-six thousand, six hundred forty-six".