849148619 has 4 divisors (see below), whose sum is σ = 926343960. Its totient is φ = 771953280.

The previous prime is 849148607. The next prime is 849148633. The reversal of 849148619 is 916841948.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-849148619 is a prime.

It is a super-2 number, since 2×849148619² = 1442106754299214322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849148679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38597654 + ... + 38597675.

It is an arithmetic number, because the mean of its divisors is an integer number (231585990).

Almost surely, 2^849148619 is an apocalyptic number.

849148619 is a deficient number, since it is larger than the sum of its proper divisors (77195341).

849148619 is a wasteful number, since it uses less digits than its factorization.

849148619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77195340.

The product of its digits is 497664, while the sum is 50.

The square root of 849148619 is about 29140.1547525060. The cubic root of 849148619 is about 946.9518624430.

The spelling of 849148619 in words is "eight hundred forty-nine million, one hundred forty-eight thousand, six hundred nineteen".