2978644415201 has 16 divisors (see below), whose sum is σ = 3687976153344. Its totient is φ = 2342617481664.

The previous prime is 2978644415101. The next prime is 2978644415207. The reversal of 2978644415201 is 1025144468792.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2978644415201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2978644415207) 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 15 ways as a sum of consecutive naturals, for example, 97985870 + ... + 98016263.

It is an arithmetic number, because the mean of its divisors is an integer number (230498509584).

Almost surely, 2^{2978644415201} is an apocalyptic number.

It is an amenable number.

2978644415201 is a deficient number, since it is larger than the sum of its proper divisors (709331738143).

2978644415201 is a wasteful number, since it uses less digits than its factorization.

2978644415201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196002320.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 2978644415201 in words is "two trillion, nine hundred seventy-eight billion, six hundred forty-four million, four hundred fifteen thousand, two hundred one".