2499984956747 has 4 divisors (see below), whose sum is σ = 2500002589560. Its totient is φ = 2499967323936.

The previous prime is 2499984956743. The next prime is 2499984956773. The reversal of 2499984956747 is 7476594899942.

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

It is a cyclic number.

It is not a de Polignac number, because 2499984956747 - 2² = 2499984956743 is a prime.

It is a super-2 number, since 2×2499984956747² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2499984956743) 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, 8601998 + ... + 8887875.

It is an arithmetic number, because the mean of its divisors is an integer number (625000647390).

Almost surely, 2^{2499984956747} is an apocalyptic number.

2499984956747 is a deficient number, since it is larger than the sum of its proper divisors (17632813).

2499984956747 is a wasteful number, since it uses less digits than its factorization.

2499984956747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17632812.

The product of its digits is 9876142080, while the sum is 83.

The spelling of 2499984956747 in words is "two trillion, four hundred ninety-nine billion, nine hundred eighty-four million, nine hundred fifty-six thousand, seven hundred forty-seven".