1949442964 has 48 divisors (see below), whose sum is σ = 3947239296. Its totient is φ = 825177600.

The previous prime is 1949442961. The next prime is 1949442973. The reversal of 1949442964 is 4692449491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949442961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 853504 + ... + 855784.

It is an arithmetic number, because the mean of its divisors is an integer number (82234152).

Almost surely, 2^1949442964 is an apocalyptic number.

1949442964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1949442964 is an abundant number, since it is smaller than the sum of its proper divisors (1997796332).

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

1949442964 is a wasteful number, since it uses less digits than its factorization.

1949442964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656 (or 2654 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 52.

The square root of 1949442964 is about 44152.4966904478. The cubic root of 1949442964 is about 1249.2140048596.

The spelling of 1949442964 in words is "one billion, nine hundred forty-nine million, four hundred forty-two thousand, nine hundred sixty-four".