1949355092 has 6 divisors (see below), whose sum is σ = 3411371418. Its totient is φ = 974677544.

The previous prime is 1949355049. The next prime is 1949355119. The reversal of 1949355092 is 2905539491.

It can be written as a sum of positive squares in only one way, i.e., 1148125456 + 801229636 = 33884^2 + 28306^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 243669383 + ... + 243669390.

It is an arithmetic number, because the mean of its divisors is an integer number (568561903).

Almost surely, 2^1949355092 is an apocalyptic number.

It is an amenable number.

1949355092 is a deficient number, since it is larger than the sum of its proper divisors (1462016326).

1949355092 is a wasteful number, since it uses less digits than its factorization.

1949355092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487338777 (or 487338775 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 47.

The square root of 1949355092 is about 44151.5015826189. The cubic root of 1949355092 is about 1249.1952349538.

The spelling of 1949355092 in words is "one billion, nine hundred forty-nine million, three hundred fifty-five thousand, ninety-two".