1916346941 has 4 divisors (see below), whose sum is σ = 1982427900. Its totient is φ = 1850265984.

The previous prime is 1916346937. The next prime is 1916346983. The reversal of 1916346941 is 1496436191.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1496436191 = 2153 ⋅695047.

It can be written as a sum of positive squares in 2 ways, for example, as 603734041 + 1312612900 = 24571^2 + 36230^2 .

It is a cyclic number.

It is not a de Polignac number, because 1916346941 - 2² = 1916346937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1916346892 and 1916346901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916346241) 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, 33040436 + ... + 33040493.

It is an arithmetic number, because the mean of its divisors is an integer number (495606975).

Almost surely, 2^1916346941 is an apocalyptic number.

It is an amenable number.

1916346941 is a deficient number, since it is larger than the sum of its proper divisors (66080959).

1916346941 is an equidigital number, since it uses as much as digits as its factorization.

1916346941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66080958.

The product of its digits is 139968, while the sum is 44.

The square root of 1916346941 is about 43776.1001118190. The cubic root of 1916346941 is about 1242.1042447312.

The spelling of 1916346941 in words is "one billion, nine hundred sixteen million, three hundred forty-six thousand, nine hundred forty-one".