1912500941 has 4 divisors (see below), whose sum is σ = 2059616412. Its totient is φ = 1765385472.

The previous prime is 1912500937. The next prime is 1912500959. The reversal of 1912500941 is 1490052191.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 999192100 + 913308841 = 31610^2 + 30221^2 .

It is a cyclic number.

It is not a de Polignac number, because 1912500941 - 2² = 1912500937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1912500898 and 1912500907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1912500041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73557716 + ... + 73557741.

It is an arithmetic number, because the mean of its divisors is an integer number (514904103).

Almost surely, 2^1912500941 is an apocalyptic number.

It is an amenable number.

1912500941 is a deficient number, since it is larger than the sum of its proper divisors (147115471).

1912500941 is a wasteful number, since it uses less digits than its factorization.

1912500941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147115470.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 1912500941 is about 43732.1499700163. The cubic root of 1912500941 is about 1241.2727438857.

The spelling of 1912500941 in words is "one billion, nine hundred twelve million, five hundred thousand, nine hundred forty-one".