1911942954 has 96 divisors (see below), whose sum is σ = 4426845696. Its totient is φ = 618211440.

The previous prime is 1911942953. The next prime is 1911942973. The reversal of 1911942954 is 4592491191.

It is a super-2 number, since 2×1911942954² = 7311051718700492232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1911942953) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2311489 + ... + 2312315.

It is an arithmetic number, because the mean of its divisors is an integer number (46112976).

Almost surely, 2^1911942954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1911942954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2213422848).

1911942954 is an abundant number, since it is smaller than the sum of its proper divisors (2514902742).

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

1911942954 is an equidigital number, since it uses as much as digits as its factorization.

1911942954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982 (or 970 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 1911942954 is about 43725.7699074585. The cubic root of 1911942954 is about 1241.1520151566.

The spelling of 1911942954 in words is "one billion, nine hundred eleven million, nine hundred forty-two thousand, nine hundred fifty-four".