2543771046 has 32 divisors (see below), whose sum is σ = 5126841216. Its totient is φ = 841400000.

The previous prime is 2543770981. The next prime is 2543771059. The reversal of 2543771046 is 6401773452.

It is a super-2 number, since 2×2543771046² = 12941542268935868232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2543770995 and 2543771013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420181 + ... + 426191.

It is an arithmetic number, because the mean of its divisors is an integer number (160213788).

Almost surely, 2^2543771046 is an apocalyptic number.

2543771046 is an abundant number, since it is smaller than the sum of its proper divisors (2583070170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2543771046 is a wasteful number, since it uses less digits than its factorization.

2543771046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6548.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 2543771046 is about 50435.8111464463. The cubic root of 2543771046 is about 1365.0838854108.

The spelling of 2543771046 in words is "two billion, five hundred forty-three million, seven hundred seventy-one thousand, forty-six".