253551599899 has 8 divisors (see below), whose sum is σ = 276345396432. Its totient is φ = 231227778720.

The previous prime is 253551599897. The next prime is 253551600079. The reversal of 253551599899 is 998995155352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253551599899 - 2¹ = 253551599897 is a prime.

It is a super-2 number, since 2×253551599899² (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 (253551599897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117492712 + ... + 117494869.

It is an arithmetic number, because the mean of its divisors is an integer number (34543174554).

Almost surely, 2^253551599899 is an apocalyptic number.

253551599899 is a deficient number, since it is larger than the sum of its proper divisors (22793796533).

253551599899 is a wasteful number, since it uses less digits than its factorization.

253551599899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234987677.

The product of its digits is 196830000, while the sum is 70.

The spelling of 253551599899 in words is "two hundred fifty-three billion, five hundred fifty-one million, five hundred ninety-nine thousand, eight hundred ninety-nine".