1949793954 has 16 divisors (see below), whose sum is σ = 4128975648. Its totient is φ = 611700032.

The previous prime is 1949793953. The next prime is 1949793959. The reversal of 1949793954 is 4593979491.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1949793953) 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, 9557712 + ... + 9557915.

It is an arithmetic number, because the mean of its divisors is an integer number (258060978).

Almost surely, 2^1949793954 is an apocalyptic number.

1949793954 is an abundant number, since it is smaller than the sum of its proper divisors (2179181694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1949793954 is a wasteful number, since it uses less digits than its factorization.

1949793954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19115649.

The product of its digits is 11022480, while the sum is 60.

The square root of 1949793954 is about 44156.4712584690. The cubic root of 1949793954 is about 1249.2889724819.

The spelling of 1949793954 in words is "one billion, nine hundred forty-nine million, seven hundred ninety-three thousand, nine hundred fifty-four".