1949859674 has 8 divisors (see below), whose sum is σ = 3342616608. Its totient is φ = 835654140.

The previous prime is 1949859643. The next prime is 1949859677. The reversal of 1949859674 is 4769589491.

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

It is not an unprimeable number, because it can be changed into a prime (1949859677) 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, 69637832 + ... + 69637859.

It is an arithmetic number, because the mean of its divisors is an integer number (417827076).

Almost surely, 2^1949859674 is an apocalyptic number.

1949859674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1949859674 is a deficient number, since it is larger than the sum of its proper divisors (1392756934).

1949859674 is a wasteful number, since it uses less digits than its factorization.

1949859674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139275700.

The product of its digits is 19595520, while the sum is 62.

The square root of 1949859674 is about 44157.2154239825. The cubic root of 1949859674 is about 1249.3030085546.

The spelling of 1949859674 in words is "one billion, nine hundred forty-nine million, eight hundred fifty-nine thousand, six hundred seventy-four".