245636868455 has 8 divisors (see below), whose sum is σ = 321560991504. Its totient is φ = 178644995200.

The previous prime is 245636868391. The next prime is 245636868479. The reversal of 245636868455 is 554868636542.

It is a happy number.

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

It is not a de Polignac number, because 245636868455 - 2⁶ = 245636868391 is a prime.

It is a super-2 number, since 2×245636868455² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 2233062386 + ... + 2233062495.

It is an arithmetic number, because the mean of its divisors is an integer number (40195123938).

Almost surely, 2^245636868455 is an apocalyptic number.

245636868455 is a deficient number, since it is larger than the sum of its proper divisors (75924123049).

245636868455 is a wasteful number, since it uses less digits than its factorization.

245636868455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4466124897.

The product of its digits is 165888000, while the sum is 62.

The spelling of 245636868455 in words is "two hundred forty-five billion, six hundred thirty-six million, eight hundred sixty-eight thousand, four hundred fifty-five".