2957801671839 has 8 divisors (see below), whose sum is σ = 4507126357120. Its totient is φ = 1690172383896.

The previous prime is 2957801671793. The next prime is 2957801671841. The reversal of 2957801671839 is 9381761087592.

It is a happy number.

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

It is not a de Polignac number, because 2957801671839 - 2⁷ = 2957801671711 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 2957801671839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2957801671859) 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, 70423849309 + ... + 70423849350.

It is an arithmetic number, because the mean of its divisors is an integer number (563390794640).

Almost surely, 2^{2957801671839} is an apocalyptic number.

2957801671839 is a deficient number, since it is larger than the sum of its proper divisors (1549324685281).

2957801671839 is a wasteful number, since it uses less digits than its factorization.

2957801671839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140847698669.

The product of its (nonzero) digits is 45722880, while the sum is 66.

The spelling of 2957801671839 in words is "two trillion, nine hundred fifty-seven billion, eight hundred one million, six hundred seventy-one thousand, eight hundred thirty-nine".