1974090974291 has 16 divisors (see below), whose sum is σ = 1999311155520. Its totient is φ = 1948985971200.

The previous prime is 1974090974287. The next prime is 1974090974293. The reversal of 1974090974291 is 1924790904791.

It is a cyclic number.

It is not a de Polignac number, because 1974090974291 - 2² = 1974090974287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1974090974293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121977386 + ... + 121993568.

It is an arithmetic number, because the mean of its divisors is an integer number (124956947220).

Almost surely, 2^{1974090974291} is an apocalyptic number.

1974090974291 is a deficient number, since it is larger than the sum of its proper divisors (25220181229).

1974090974291 is a wasteful number, since it uses less digits than its factorization.

1974090974291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19646.

The product of its (nonzero) digits is 10287648, while the sum is 62.

The spelling of 1974090974291 in words is "one trillion, nine hundred seventy-four billion, ninety million, nine hundred seventy-four thousand, two hundred ninety-one".