6153442561 has 4 divisors (see below), whose sum is σ = 7032505792. Its totient is φ = 5274379332.

The previous prime is 6153442531. The next prime is 6153442567. The reversal of 6153442561 is 1652443516.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6153442561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6153442561.

It is not an unprimeable number, because it can be changed into a prime (6153442567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 439531605 + ... + 439531618.

It is an arithmetic number, because the mean of its divisors is an integer number (1758126448).

Almost surely, 2^6153442561 is an apocalyptic number.

It is an amenable number.

6153442561 is a deficient number, since it is larger than the sum of its proper divisors (879063231).

6153442561 is an equidigital number, since it uses as much as digits as its factorization.

6153442561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879063230.

The product of its digits is 86400, while the sum is 37.

The square root of 6153442561 is about 78443.8816033475. The cubic root of 6153442561 is about 1832.4805920269.

The spelling of 6153442561 in words is "six billion, one hundred fifty-three million, four hundred forty-two thousand, five hundred sixty-one".