2449684682551 has 4 divisors (see below), whose sum is σ = 2515892376712. Its totient is φ = 2383476988392.

The previous prime is 2449684682539. The next prime is 2449684682567. The reversal of 2449684682551 is 1552864869442.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2449684682551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2449684682251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33103847025 + ... + 33103847098.

It is an arithmetic number, because the mean of its divisors is an integer number (628973094178).

Almost surely, 2^{2449684682551} is an apocalyptic number.

2449684682551 is a deficient number, since it is larger than the sum of its proper divisors (66207694161).

2449684682551 is an equidigital number, since it uses as much as digits as its factorization.

2449684682551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66207694160.

The product of its digits is 132710400, while the sum is 64.

The spelling of 2449684682551 in words is "two trillion, four hundred forty-nine billion, six hundred eighty-four million, six hundred eighty-two thousand, five hundred fifty-one".