23474687449 has 8 divisors (see below), whose sum is σ = 24291713160. Its totient is φ = 22658165376.

The previous prime is 23474687447. The next prime is 23474687459. The reversal of 23474687449 is 94478647432.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15535877449 + 7938810000 = 124643^2 + 89100^2 .

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 23474687449 - 2¹ = 23474687447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23474687393 and 23474687402.

It is not an unprimeable number, because it can be changed into a prime (23474687447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29814 + ... + 218719.

It is an arithmetic number, because the mean of its divisors is an integer number (3036464145).

Almost surely, 2^23474687449 is an apocalyptic number.

23474687449 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

23474687449 is a deficient number, since it is larger than the sum of its proper divisors (817025711).

23474687449 is a wasteful number, since it uses less digits than its factorization.

23474687449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251819.

The product of its digits is 32514048, while the sum is 58.

The spelling of 23474687449 in words is "twenty-three billion, four hundred seventy-four million, six hundred eighty-seven thousand, four hundred forty-nine".