1912956113 has 8 divisors (see below), whose sum is σ = 1927306440. Its totient is φ = 1898659840.

The previous prime is 1912956079. The next prime is 1912956181. The reversal of 1912956113 is 3116592191.

It can be written as a sum of positive squares in 4 ways, for example, as 738317584 + 1174638529 = 27172^2 + 34273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1912956113 - 2⁶ = 1912956049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1912956193) 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 7 ways as a sum of consecutive naturals, for example, 58973 + ... + 85461.

It is an arithmetic number, because the mean of its divisors is an integer number (240913305).

Almost surely, 2^1912956113 is an apocalyptic number.

It is an amenable number.

1912956113 is a deficient number, since it is larger than the sum of its proper divisors (14350327).

1912956113 is a wasteful number, since it uses less digits than its factorization.

1912956113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27027.

The product of its digits is 14580, while the sum is 38.

The square root of 1912956113 is about 43737.3537493982. The cubic root of 1912956113 is about 1241.3712096814.

It can be divided in two parts, 1912956 and 113, that multiplied together give a triangular number (216164028 = T₂₀₇₉₂).

The spelling of 1912956113 in words is "one billion, nine hundred twelve million, nine hundred fifty-six thousand, one hundred thirteen".