2191480942 has 16 divisors (see below), whose sum is σ = 3793300992. Its totient is φ = 930087000.

The previous prime is 2191480867. The next prime is 2191480979. The reversal of 2191480942 is 2490841912.

2191480942 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2191480895 and 2191480904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758434 + ... + 761317.

It is an arithmetic number, because the mean of its divisors is an integer number (237081312).

Almost surely, 2^2191480942 is an apocalyptic number.

2191480942 is a deficient number, since it is larger than the sum of its proper divisors (1601820050).

2191480942 is a wasteful number, since it uses less digits than its factorization.

2191480942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519863.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 2191480942 is about 46813.2560499694. The cubic root of 2191480942 is about 1298.9105155988.

The spelling of 2191480942 in words is "two billion, one hundred ninety-one million, four hundred eighty thousand, nine hundred forty-two".