6345196491 has 8 divisors (see below), whose sum is σ = 8751995280. Its totient is φ = 4084264352.

The previous prime is 6345196457. The next prime is 6345196493. The reversal of 6345196491 is 1946915436.

It is a happy number.

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 6345196491 - 2²¹ = 6343099339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6345196491.

It is not an unprimeable number, because it can be changed into a prime (6345196493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36466560 + ... + 36466733.

It is an arithmetic number, because the mean of its divisors is an integer number (1093999410).

Almost surely, 2^6345196491 is an apocalyptic number.

6345196491 is a deficient number, since it is larger than the sum of its proper divisors (2406798789).

6345196491 is a wasteful number, since it uses less digits than its factorization.

6345196491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72933325.

The product of its digits is 699840, while the sum is 48.

The square root of 6345196491 is about 79656.7416544262. The cubic root of 6345196491 is about 1851.3208479131.

The spelling of 6345196491 in words is "six billion, three hundred forty-five million, one hundred ninety-six thousand, four hundred ninety-one".