1674970396861 has 32 divisors (see below), whose sum is σ = 1749946837760. Its totient is φ = 1601996465664.

The previous prime is 1674970396831. The next prime is 1674970396871. The reversal of 1674970396861 is 1686930794761.

It is a cyclic number.

It is not a de Polignac number, because 1674970396861 - 2¹⁹ = 1674969872573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1674970396831) 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 31 ways as a sum of consecutive naturals, for example, 268120840 + ... + 268127086.

It is an arithmetic number, because the mean of its divisors is an integer number (54685838680).

Almost surely, 2^{1674970396861} is an apocalyptic number.

It is an amenable number.

1674970396861 is a deficient number, since it is larger than the sum of its proper divisors (74976440899).

1674970396861 is a wasteful number, since it uses less digits than its factorization.

1674970396861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6965.

The product of its (nonzero) digits is 82301184, while the sum is 67.

The spelling of 1674970396861 in words is "one trillion, six hundred seventy-four billion, nine hundred seventy million, three hundred ninety-six thousand, eight hundred sixty-one".