2601641153 has 4 divisors (see below), whose sum is σ = 2601818928. Its totient is φ = 2601463380.

The previous prime is 2601641129. The next prime is 2601641197. The reversal of 2601641153 is 3511461062.

It is a happy number.

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 an emirpimes, since its reverse is a distinct semiprime: 3511461062 = 2 ⋅1755730531.

It is a cyclic number.

It is not a de Polignac number, because 2601641153 - 2¹⁶ = 2601575617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2601641353) 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, 64751 + ... + 96932.

It is an arithmetic number, because the mean of its divisors is an integer number (650454732).

Almost surely, 2^2601641153 is an apocalyptic number.

It is an amenable number.

2601641153 is a deficient number, since it is larger than the sum of its proper divisors (177775).

2601641153 is a wasteful number, since it uses less digits than its factorization.

2601641153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177774.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2601641153 is about 51006.2854264060. The cubic root of 2601641153 is about 1375.3581265285.

The spelling of 2601641153 in words is "two billion, six hundred one million, six hundred forty-one thousand, one hundred fifty-three".