2820325744257 has 16 divisors (see below), whose sum is σ = 4297773895680. Its totient is φ = 1611564211152.

The previous prime is 2820325744219. The next prime is 2820325744277. The reversal of 2820325744257 is 7524475230282.

2820325744257 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2820325744257 - 2⁶ = 2820325744193 is a prime.

It is a super-3 number, since 3×2820325744257³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2820325744277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1412743 + ... + 2763420.

It is an arithmetic number, because the mean of its divisors is an integer number (268610868480).

Almost surely, 2^{2820325744257} is an apocalyptic number.

It is an amenable number.

2820325744257 is a deficient number, since it is larger than the sum of its proper divisors (1477448151423).

2820325744257 is a wasteful number, since it uses less digits than its factorization.

2820325744257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4208332.

The product of its (nonzero) digits is 7526400, while the sum is 51.

The spelling of 2820325744257 in words is "two trillion, eight hundred twenty billion, three hundred twenty-five million, seven hundred forty-four thousand, two hundred fifty-seven".