258136553449 has 16 divisors (see below), whose sum is σ = 264296919040. Its totient is φ = 252071870400.

The previous prime is 258136553447. The next prime is 258136553489. The reversal of 258136553449 is 944355631852.

It is a cyclic number.

It is not a de Polignac number, because 258136553449 - 2¹ = 258136553447 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 258136553449.

It is not an unprimeable number, because it can be changed into a prime (258136553447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2028547 + ... + 2152039.

It is an arithmetic number, because the mean of its divisors is an integer number (16518557440).

Almost surely, 2^258136553449 is an apocalyptic number.

It is an amenable number.

258136553449 is a deficient number, since it is larger than the sum of its proper divisors (6160365591).

258136553449 is a wasteful number, since it uses less digits than its factorization.

258136553449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123880.

The product of its digits is 15552000, while the sum is 55.

The spelling of 258136553449 in words is "two hundred fifty-eight billion, one hundred thirty-six million, five hundred fifty-three thousand, four hundred forty-nine".