6406191235 has 8 divisors (see below), whose sum is σ = 7687895040. Its totient is φ = 5124642624.

The previous prime is 6406191223. The next prime is 6406191257. The reversal of 6406191235 is 5321916046.

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

It is a cyclic number.

It is not a de Polignac number, because 6406191235 - 2⁵ = 6406191203 is a prime.

It is a super-2 number, since 2×6406191235² = 82078572278781650450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6406191194 and 6406191203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92286 + ... + 146044.

It is an arithmetic number, because the mean of its divisors is an integer number (960986880).

Almost surely, 2^6406191235 is an apocalyptic number.

6406191235 is a deficient number, since it is larger than the sum of its proper divisors (1281703805).

6406191235 is a wasteful number, since it uses less digits than its factorization.

6406191235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77597.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 6406191235 is about 80038.6858650240. The cubic root of 6406191235 is about 1857.2340314790.

The spelling of 6406191235 in words is "six billion, four hundred six million, one hundred ninety-one thousand, two hundred thirty-five".