245550223513 has 4 divisors (see below), whose sum is σ = 280628826880. Its totient is φ = 210471620148.

The previous prime is 245550223453. The next prime is 245550223519. The reversal of 245550223513 is 315322055542.

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 245550223513 - 2¹⁷ = 245550092441 is a prime.

It is a super-2 number, since 2×245550223513² (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 (245550223519) 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, 17539301673 + ... + 17539301686.

It is an arithmetic number, because the mean of its divisors is an integer number (70157206720).

Almost surely, 2^245550223513 is an apocalyptic number.

It is an amenable number.

245550223513 is a deficient number, since it is larger than the sum of its proper divisors (35078603367).

245550223513 is an equidigital number, since it uses as much as digits as its factorization.

245550223513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35078603366.

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 245550223513 in words is "two hundred forty-five billion, five hundred fifty million, two hundred twenty-three thousand, five hundred thirteen".