36542564642 has 16 divisors (see below), whose sum is σ = 58041916632. Its totient is φ = 17195397120.

The previous prime is 36542564627. The next prime is 36542564753. The reversal of 36542564642 is 24646524563.

It can be written as a sum of positive squares in 4 ways, for example, as 36209903521 + 332661121 = 190289^2 + 18239^2 .

It is a super-2 number, since 2×36542564642² (a number of 22 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, 785258 + ... + 830490.

Almost surely, 2^36542564642 is an apocalyptic number.

36542564642 is a deficient number, since it is larger than the sum of its proper divisors (21499351990).

36542564642 is a wasteful number, since it uses less digits than its factorization.

36542564642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69013.

The product of its digits is 4147200, while the sum is 47.

The spelling of 36542564642 in words is "thirty-six billion, five hundred forty-two million, five hundred sixty-four thousand, six hundred forty-two".