1346853971 has 2 divisors, whose sum is σ = 1346853972. Its totient is φ = 1346853970.

The previous prime is 1346853943. The next prime is 1346853997. The reversal of 1346853971 is 1793586431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1346853971 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1346853901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 673426985 + 673426986.

It is an arithmetic number, because the mean of its divisors is an integer number (673426986).

Almost surely, 2^1346853971 is an apocalyptic number.

1346853971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346853971 is an equidigital number, since it uses as much as digits as its factorization.

1346853971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The square root of 1346853971 is about 36699.5091384067. The cubic root of 1346853971 is about 1104.3502581298.

The spelling of 1346853971 in words is "one billion, three hundred forty-six million, eight hundred fifty-three thousand, nine hundred seventy-one".