1974006940257 has 48 divisors (see below), whose sum is σ = 3114633150720. Its totient is φ = 1194801062400.

The previous prime is 1974006940237. The next prime is 1974006940259. The reversal of 1974006940257 is 7520496004791.

1974006940257 is a `hidden beast` number, since 1 + 97 + 40 + 0 + 69 + 402 + 57 = 666.

It is not a de Polignac number, because 1974006940257 - 2¹⁴ = 1974006923873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1974006940259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 304580457 + ... + 304586937.

It is an arithmetic number, because the mean of its divisors is an integer number (64888190640).

Almost surely, 2^{1974006940257} is an apocalyptic number.

It is an amenable number.

1974006940257 is a deficient number, since it is larger than the sum of its proper divisors (1140626210463).

1974006940257 is a wasteful number, since it uses less digits than its factorization.

1974006940257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10054 (or 10051 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 1974006940257 in words is "one trillion, nine hundred seventy-four billion, six million, nine hundred forty thousand, two hundred fifty-seven".