2361612321 has 16 divisors (see below), whose sum is σ = 3512308800. Its totient is φ = 1568277504.

The previous prime is 2361612311. The next prime is 2361612347. The reversal of 2361612321 is 1232161632.

2361612321 is a `hidden beast` number, since 2 + 3 + 616 + 1 + 23 + 21 = 666.

It is not a de Polignac number, because 2361612321 - 2⁵ = 2361612289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (2361612311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163231 + ... + 177108.

It is an arithmetic number, because the mean of its divisors is an integer number (219519300).

Almost surely, 2^2361612321 is an apocalyptic number.

It is an amenable number.

2361612321 is a deficient number, since it is larger than the sum of its proper divisors (1150696479).

2361612321 is a wasteful number, since it uses less digits than its factorization.

2361612321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340605 (or 340599 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2361612321 is about 48596.4229239149. The cubic root of 2361612321 is about 1331.6891724610.

Adding to 2361612321 its reverse (1232161632), we get a palindrome (3593773953).

It can be divided in two parts, 23616 and 12321, that added together give a cube (35937 = 33³).

The spelling of 2361612321 in words is "two billion, three hundred sixty-one million, six hundred twelve thousand, three hundred twenty-one".