1929964244 has 12 divisors (see below), whose sum is σ = 3637240404. Its totient is φ = 890752704.

The previous prime is 1929964229. The next prime is 1929964261. The reversal of 1929964244 is 4424699291.

It can be written as a sum of positive squares in 2 ways, for example, as 840304144 + 1089660100 = 28988^2 + 33010^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1929964192 and 1929964201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18557297 + ... + 18557400.

It is an arithmetic number, because the mean of its divisors is an integer number (303103367).

Almost surely, 2^1929964244 is an apocalyptic number.

It is an amenable number.

1929964244 is a deficient number, since it is larger than the sum of its proper divisors (1707276160).

1929964244 is a wasteful number, since it uses less digits than its factorization.

1929964244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37114714 (or 37114712 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 50.

The square root of 1929964244 is about 43931.3583218184. The cubic root of 1929964244 is about 1245.0393785494.

The spelling of 1929964244 in words is "one billion, nine hundred twenty-nine million, nine hundred sixty-four thousand, two hundred forty-four".