2981648747057 has 8 divisors (see below), whose sum is σ = 3078047424000. Its totient is φ = 2885263598880.

The previous prime is 2981648747053. The next prime is 2981648747159. The reversal of 2981648747057 is 7507478461892.

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 2981648747057 - 2² = 2981648747053 is a prime.

It is a super-2 number, since 2×2981648747057² (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 (2981648747053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2933333 + ... + 3816770.

It is an arithmetic number, because the mean of its divisors is an integer number (384755928000).

Almost surely, 2^{2981648747057} is an apocalyptic number.

It is an amenable number.

2981648747057 is a deficient number, since it is larger than the sum of its proper divisors (96398676943).

2981648747057 is a wasteful number, since it uses less digits than its factorization.

2981648747057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6764383.

The product of its (nonzero) digits is 189665280, while the sum is 68.

The spelling of 2981648747057 in words is "two trillion, nine hundred eighty-one billion, six hundred forty-eight million, seven hundred forty-seven thousand, fifty-seven".