6191401994 has 8 divisors (see below), whose sum is σ = 9295650048. Its totient is φ = 3092851980.

The previous prime is 6191401967. The next prime is 6191402029. The reversal of 6191401994 is 4991041916.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421792 + ... + 1426139.

It is an arithmetic number, because the mean of its divisors is an integer number (1161956256).

Almost surely, 2^6191401994 is an apocalyptic number.

6191401994 is a deficient number, since it is larger than the sum of its proper divisors (3104248054).

6191401994 is a wasteful number, since it uses less digits than its factorization.

6191401994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849020.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 6191401994 is about 78685.4624057074. The cubic root of 6191401994 is about 1836.2409466422.

The spelling of 6191401994 in words is "six billion, one hundred ninety-one million, four hundred one thousand, nine hundred ninety-four".