1874683994481 has 27 divisors (see below), whose sum is σ = 2721118645089. Its totient is φ = 1243707383232.

The previous prime is 1874683994473. The next prime is 1874683994489. The reversal of 1874683994481 is 1844993864781.

The square root of 1874683994481 is 1369191.

It is a perfect power (a square), and thus also a powerful number.

1874683994481 is a `hidden beast` number, since 1 + 8 + 7 + 468 + 39 + 94 + 48 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1874683994473) and next prime (1874683994489).

It can be written as a sum of positive squares in 4 ways, for example, as 892373069025 + 982310925456 = 944655^2 + 991116^2 .

It is not a de Polignac number, because 1874683994481 - 2³ = 1874683994473 is a prime.

It is a super-2 number, since 2×1874683994481² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1874683994489) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 940633221 + ... + 940635213.

Almost surely, 2^{1874683994481} is an apocalyptic number.

1874683994481 is the 1369191-st square number.

1874683994481 is the 684596-th centered octagonal number.

It is an amenable number.

1874683994481 is a deficient number, since it is larger than the sum of its proper divisors (846434650608).

1874683994481 is an frugal number, since it uses more digits than its factorization.

1874683994481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450 (or 2225 counting only the distinct ones).

The product of its digits is 334430208, while the sum is 72.

The spelling of 1874683994481 in words is "one trillion, eight hundred seventy-four billion, six hundred eighty-three million, nine hundred ninety-four thousand, four hundred eighty-one".