2781942954 has 48 divisors (see below), whose sum is σ = 6545059200. Its totient is φ = 785902656.

The previous prime is 2781942953. The next prime is 2781942967. The reversal of 2781942954 is 4592491872.

It is a super-2 number, since 2×2781942954² = 15478413198620492232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2781942897 and 2781942906.

It is not an unprimeable number, because it can be changed into a prime (2781942953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26994 + ... + 79325.

It is an arithmetic number, because the mean of its divisors is an integer number (136355400).

Almost surely, 2^2781942954 is an apocalyptic number.

2781942954 is an abundant number, since it is smaller than the sum of its proper divisors (3763116246).

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

2781942954 is a wasteful number, since it uses less digits than its factorization.

2781942954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106427 (or 106420 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 2781942954 is about 52744.1271991489. The cubic root of 2781942954 is about 1406.4233670861.

The spelling of 2781942954 in words is "two billion, seven hundred eighty-one million, nine hundred forty-two thousand, nine hundred fifty-four".