1671674794131 has 4 divisors (see below), whose sum is σ = 2228899725512. Its totient is φ = 1114449862752.

The previous prime is 1671674794063. The next prime is 1671674794169. The reversal of 1671674794131 is 1314974761761.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1671674794131 - 2⁹ = 1671674793619 is a prime.

It is a super-2 number, since 2×1671674794131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1671674792131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278612465686 + ... + 278612465691.

It is an arithmetic number, because the mean of its divisors is an integer number (557224931378).

Almost surely, 2^{1671674794131} is an apocalyptic number.

1671674794131 is a deficient number, since it is larger than the sum of its proper divisors (557224931381).

1671674794131 is an equidigital number, since it uses as much as digits as its factorization.

1671674794131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557224931380.

The product of its digits is 5334336, while the sum is 57.

The spelling of 1671674794131 in words is "one trillion, six hundred seventy-one billion, six hundred seventy-four million, seven hundred ninety-four thousand, one hundred thirty-one".