24690245245 has 8 divisors (see below), whose sum is σ = 29631297240. Its totient is φ = 19750194240.

The previous prime is 24690245227. The next prime is 24690245263. The reversal of 24690245245 is 54254209642.

It is an interprime number because it is at equal distance from previous prime (24690245227) and next prime (24690245263).

It can be written as a sum of positive squares in 4 ways, for example, as 4913729604 + 19776515641 = 70098^2 + 140629^2 .

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

It is not a de Polignac number, because 24690245245 - 2²³ = 24681856637 is a prime.

It is a super-2 number, since 2×24690245245² (a number of 22 digits) contains 22 as substring.

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, 194866 + ... + 295555.

It is an arithmetic number, because the mean of its divisors is an integer number (3703912155).

Almost surely, 2^24690245245 is an apocalyptic number.

It is an amenable number.

24690245245 is a deficient number, since it is larger than the sum of its proper divisors (4941051995).

24690245245 is a wasteful number, since it uses less digits than its factorization.

24690245245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500495.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 24690245245 in words is "twenty-four billion, six hundred ninety million, two hundred forty-five thousand, two hundred forty-five".