1671771013 has 8 divisors (see below), whose sum is σ = 1831931136. Its totient is φ = 1512974400.

The previous prime is 1671771001. The next prime is 1671771053. The reversal of 1671771013 is 3101771761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1671771013 - 2²¹ = 1669673861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1671771013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1671771053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338308 + ... + 343213.

It is an arithmetic number, because the mean of its divisors is an integer number (228991392).

Almost surely, 2^1671771013 is an apocalyptic number.

It is an amenable number.

1671771013 is a deficient number, since it is larger than the sum of its proper divisors (160160123).

1671771013 is a wasteful number, since it uses less digits than its factorization.

1671771013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681755.

The product of its (nonzero) digits is 6174, while the sum is 34.

The square root of 1671771013 is about 40887.2964745775. The cubic root of 1671771013 is about 1186.8402423139.

The spelling of 1671771013 in words is "one billion, six hundred seventy-one million, seven hundred seventy-one thousand, thirteen".