1916902747 has 2 divisors, whose sum is σ = 1916902748. Its totient is φ = 1916902746.

The previous prime is 1916902721. The next prime is 1916902769. The reversal of 1916902747 is 7472096191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1916902747 - 2⁷ = 1916902619 is a prime.

It is a super-2 number, since 2×1916902747² = 7349032282912292018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1916902697 and 1916902706.

It is not a weakly prime, because it can be changed into another prime (1916902147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 958451373 + 958451374.

It is an arithmetic number, because the mean of its divisors is an integer number (958451374).

Almost surely, 2^1916902747 is an apocalyptic number.

1916902747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1916902747 is an equidigital number, since it uses as much as digits as its factorization.

1916902747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 1916902747 is about 43782.4479329331. The cubic root of 1916902747 is about 1242.2243173277.

The spelling of 1916902747 in words is "one billion, nine hundred sixteen million, nine hundred two thousand, seven hundred forty-seven".