1536627720345 has 32 divisors (see below), whose sum is σ = 2484774658944. Its totient is φ = 810823296000.

The previous prime is 1536627720241. The next prime is 1536627720361. The reversal of 1536627720345 is 5430277266351.

It is a happy number.

It is not a de Polignac number, because 1536627720345 - 2¹² = 1536627716249 is a prime.

It is a super-2 number, since 2×1536627720345² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1689294 + ... + 2434536.

It is an arithmetic number, because the mean of its divisors is an integer number (77649208092).

Almost surely, 2^{1536627720345} is an apocalyptic number.

1536627720345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1536627720345 is a deficient number, since it is larger than the sum of its proper divisors (948146938599).

1536627720345 is a wasteful number, since it uses less digits than its factorization.

1536627720345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746713.

The product of its (nonzero) digits is 6350400, while the sum is 51.

The spelling of 1536627720345 in words is "one trillion, five hundred thirty-six billion, six hundred twenty-seven million, seven hundred twenty thousand, three hundred forty-five".