2613604481 has 4 divisors (see below), whose sum is σ = 2613706752. Its totient is φ = 2613502212.

The previous prime is 2613604417. The next prime is 2613604493. The reversal of 2613604481 is 1844063162.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1844063162 = 2 ⋅922031581.

It is a cyclic number.

It is not a de Polignac number, because 2613604481 - 2⁶ = 2613604417 is a prime.

It is a super-2 number, since 2×2613604481² = 13661856766206558722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2613600481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23936 + ... + 76158.

It is an arithmetic number, because the mean of its divisors is an integer number (653426688).

Almost surely, 2^2613604481 is an apocalyptic number.

It is an amenable number.

2613604481 is a deficient number, since it is larger than the sum of its proper divisors (102271).

2613604481 is an equidigital number, since it uses as much as digits as its factorization.

2613604481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102270.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 2613604481 is about 51123.4239952685. The cubic root of 2613604481 is about 1377.4630420155.

The spelling of 2613604481 in words is "two billion, six hundred thirteen million, six hundred four thousand, four hundred eighty-one".