245664671498 has 8 divisors (see below), whose sum is σ = 368549349408. Its totient is φ = 122814888364.

The previous prime is 245664671363. The next prime is 245664671531. The reversal of 245664671498 is 894176466542.

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

It is a super-2 number, since 2×245664671498² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245664671498.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8706086 + ... + 8734257.

It is an arithmetic number, because the mean of its divisors is an integer number (46068668676).

Almost surely, 2^245664671498 is an apocalyptic number.

245664671498 is a deficient number, since it is larger than the sum of its proper divisors (122884677910).

245664671498 is a wasteful number, since it uses less digits than its factorization.

245664671498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17447388.

The product of its digits is 69672960, while the sum is 62.

The spelling of 245664671498 in words is "two hundred forty-five billion, six hundred sixty-four million, six hundred seventy-one thousand, four hundred ninety-eight".