1974765730231 has 16 divisors (see below), whose sum is σ = 2318194578240. Its totient is φ = 1646679490560.

The previous prime is 1974765730213. The next prime is 1974765730307. The reversal of 1974765730231 is 1320375674791.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1974765730231 is a prime.

It is a super-2 number, since 2×1974765730231² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974765733231) 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, 1344951 + ... + 2399671.

It is an arithmetic number, because the mean of its divisors is an integer number (144887161140).

Almost surely, 2^{1974765730231} is an apocalyptic number.

1974765730231 is a deficient number, since it is larger than the sum of its proper divisors (343428848009).

1974765730231 is a wasteful number, since it uses less digits than its factorization.

1974765730231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061994.

The product of its (nonzero) digits is 6667920, while the sum is 55.

The spelling of 1974765730231 in words is "one trillion, nine hundred seventy-four billion, seven hundred sixty-five million, seven hundred thirty thousand, two hundred thirty-one".