1674774875421 has 12 divisors (see below), whose sum is σ = 2419131672672. Its totient is φ = 1116510856776.

The previous prime is 1674774875407. The next prime is 1674774875437. The reversal of 1674774875421 is 1245784774761.

1674774875421 is a `hidden beast` number, since 1 + 6 + 7 + 4 + 7 + 7 + 4 + 87 + 542 + 1 = 666.

It is not a de Polignac number, because 1674774875421 - 2⁶ = 1674774875357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1674774975421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2117280 + ... + 2798646.

It is an arithmetic number, because the mean of its divisors is an integer number (201594306056).

Almost surely, 2^{1674774875421} is an apocalyptic number.

It is an amenable number.

1674774875421 is a deficient number, since it is larger than the sum of its proper divisors (744356797251).

1674774875421 is a wasteful number, since it uses less digits than its factorization.

1674774875421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954480 (or 954477 counting only the distinct ones).

The product of its digits is 73758720, while the sum is 63.

The spelling of 1674774875421 in words is "one trillion, six hundred seventy-four billion, seven hundred seventy-four million, eight hundred seventy-five thousand, four hundred twenty-one".