245742504995 has 8 divisors (see below), whose sum is σ = 317574929616. Its totient is φ = 181471388256.

The previous prime is 245742504947. The next prime is 245742505027. The reversal of 245742504995 is 599405247542.

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 245742504995 - 2⁸ = 245742504739 is a prime.

It is a super-2 number, since 2×245742504995² (a number of 24 digits) contains 22 as substring.

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 245742504995.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1890326897 + ... + 1890327026.

It is an arithmetic number, because the mean of its divisors is an integer number (39696866202).

Almost surely, 2^245742504995 is an apocalyptic number.

245742504995 is a deficient number, since it is larger than the sum of its proper divisors (71832424621).

245742504995 is a wasteful number, since it uses less digits than its factorization.

245742504995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780653941.

The product of its (nonzero) digits is 18144000, while the sum is 56.

The spelling of 245742504995 in words is "two hundred forty-five billion, seven hundred forty-two million, five hundred four thousand, nine hundred ninety-five".