6149894491 has 8 divisors (see below), whose sum is σ = 6910918560. Its totient is φ = 5430006912.

The previous prime is 6149894489. The next prime is 6149894519. The reversal of 6149894491 is 1944989416.

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 6149894491 - 2¹ = 6149894489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6149894291) 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, 10283806 + ... + 10284403.

It is an arithmetic number, because the mean of its divisors is an integer number (863864820).

Almost surely, 2^6149894491 is an apocalyptic number.

6149894491 is a deficient number, since it is larger than the sum of its proper divisors (761024069).

6149894491 is a wasteful number, since it uses less digits than its factorization.

6149894491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20568245.

The product of its digits is 2239488, while the sum is 55.

The square root of 6149894491 is about 78421.2630030912. The cubic root of 6149894491 is about 1832.1283220367.

The spelling of 6149894491 in words is "six billion, one hundred forty-nine million, eight hundred ninety-four thousand, four hundred ninety-one".