1916346937 has 2 divisors, whose sum is σ = 1916346938. Its totient is φ = 1916346936.

The previous prime is 1916346919. The next prime is 1916346983. The reversal of 1916346937 is 7396436191.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1242633001 + 673713936 = 35251^2 + 25956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1916346937 is a prime.

It is not a weakly prime, because it can be changed into another prime (1916346907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 958173468 + 958173469.

It is an arithmetic number, because the mean of its divisors is an integer number (958173469).

Almost surely, 2^1916346937 is an apocalyptic number.

It is an amenable number.

1916346937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1916346937 is an equidigital number, since it uses as much as digits as its factorization.

1916346937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 49.

The square root of 1916346937 is about 43776.1000661320. The cubic root of 1916346937 is about 1242.1042438670.

The spelling of 1916346937 in words is "one billion, nine hundred sixteen million, three hundred forty-six thousand, nine hundred thirty-seven".