1949355012 has 36 divisors (see below), whose sum is σ = 4999589168. Its totient is φ = 590713200.

The previous prime is 1949355011. The next prime is 1949355013. The reversal of 1949355012 is 2105539491.

It is an interprime number because it is at equal distance from previous prime (1949355011) and next prime (1949355013).

It is not an unprimeable number, because it can be changed into a prime (1949355011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 669814 + ... + 672717.

Almost surely, 2^1949355012 is an apocalyptic number.

1949355012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1949355012 is an abundant number, since it is smaller than the sum of its proper divisors (3050234156).

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

1949355012 is a wasteful number, since it uses less digits than its factorization.

1949355012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342560 (or 1342547 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 1949355012 is about 44151.5006766474. The cubic root of 1949355012 is about 1249.1952178651.

The spelling of 1949355012 in words is "one billion, nine hundred forty-nine million, three hundred fifty-five thousand, twelve".