3641540491915 has 8 divisors (see below), whose sum is σ = 4487952606480. Its totient is φ = 2834496382752.

The previous prime is 3641540491903. The next prime is 3641540491931. The reversal of 3641540491915 is 5191940451463.

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

It is a cyclic number.

It is not a de Polignac number, because 3641540491915 - 2²¹ = 3641538394763 is a prime.

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, 9842001145 + ... + 9842001514.

It is an arithmetic number, because the mean of its divisors is an integer number (560994075810).

Almost surely, 2^{3641540491915} is an apocalyptic number.

3641540491915 is a deficient number, since it is larger than the sum of its proper divisors (846412114565).

3641540491915 is a wasteful number, since it uses less digits than its factorization.

3641540491915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19684002701.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 3641540491915 in words is "three trillion, six hundred forty-one billion, five hundred forty million, four hundred ninety-one thousand, nine hundred fifteen".