245354005553 has 4 divisors (see below), whose sum is σ = 249512548080. Its totient is φ = 241195463028.

The previous prime is 245354005541. The next prime is 245354005597. The reversal of 245354005553 is 355500453542.

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.

It is a cyclic number.

It is not a de Polignac number, because 245354005553 - 2¹⁶ = 245353940017 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 245354005553.

It is not an unprimeable number, because it can be changed into a prime (245354005453) 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, 2079271175 + ... + 2079271292.

It is an arithmetic number, because the mean of its divisors is an integer number (62378137020).

Almost surely, 2^245354005553 is an apocalyptic number.

It is an amenable number.

245354005553 is a deficient number, since it is larger than the sum of its proper divisors (4158542527).

245354005553 is an equidigital number, since it uses as much as digits as its factorization.

245354005553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158542526.

The product of its (nonzero) digits is 900000, while the sum is 41.

The spelling of 245354005553 in words is "two hundred forty-five billion, three hundred fifty-four million, five thousand, five hundred fifty-three".