254610646097 has 4 divisors (see below), whose sum is σ = 254612966580. Its totient is φ = 254608325616.

The previous prime is 254610646091. The next prime is 254610646123. The reversal of 254610646097 is 790646016452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108979874641 + 145630771456 = 330121^2 + 381616^2 .

It is a cyclic number.

It is not a de Polignac number, because 254610646097 - 2⁸ = 254610645841 is a prime.

It is a super-2 number, since 2×254610646097² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254610646091) 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, 987038 + ... + 1217975.

It is an arithmetic number, because the mean of its divisors is an integer number (63653241645).

Almost surely, 2^254610646097 is an apocalyptic number.

It is an amenable number.

254610646097 is a deficient number, since it is larger than the sum of its proper divisors (2320483).

254610646097 is a wasteful number, since it uses less digits than its factorization.

254610646097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320482.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 254610646097 in words is "two hundred fifty-four billion, six hundred ten million, six hundred forty-six thousand, ninety-seven".