2654609157 has 12 divisors (see below), whose sum is σ = 3886962924. Its totient is φ = 1745496000.

The previous prime is 2654609129. The next prime is 2654609161. The reversal of 2654609157 is 7519064562.

2654609157 is a `hidden beast` number, since 26 + 5 + 4 + 609 + 15 + 7 = 666.

2654609157 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1938993156 + 715616001 = 44034^2 + 26751^2 .

It is not a de Polignac number, because 2654609157 - 2⁷ = 2654609029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2654609057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2019594 + ... + 2020907.

It is an arithmetic number, because the mean of its divisors is an integer number (323913577).

Almost surely, 2^2654609157 is an apocalyptic number.

It is an amenable number.

2654609157 is a deficient number, since it is larger than the sum of its proper divisors (1232353767).

2654609157 is a wasteful number, since it uses less digits than its factorization.

2654609157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040580 (or 4040577 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 2654609157 is about 51522.8993458249. The cubic root of 2654609157 is about 1384.6293380937.

The spelling of 2654609157 in words is "two billion, six hundred fifty-four million, six hundred nine thousand, one hundred fifty-seven".