2057423479898 has 8 divisors (see below), whose sum is σ = 3086142614100. Its totient is φ = 1028709275200.

The previous prime is 2057423479849. The next prime is 2057423479913. The reversal of 2057423479898 is 8989743247502.

It can be written as a sum of positive squares in 2 ways, for example, as 2014432360249 + 42991119649 = 1419307^2 + 207343^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98498 + ... + 2030898.

Almost surely, 2^{2057423479898} is an apocalyptic number.

2057423479898 is a deficient number, since it is larger than the sum of its proper divisors (1028719134202).

2057423479898 is a wasteful number, since it uses less digits than its factorization.

2057423479898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464752.

The product of its (nonzero) digits is 243855360, while the sum is 68.

The spelling of 2057423479898 in words is "two trillion, fifty-seven billion, four hundred twenty-three million, four hundred seventy-nine thousand, eight hundred ninety-eight".