1356416947 has 2 divisors, whose sum is σ = 1356416948. Its totient is φ = 1356416946.

The previous prime is 1356416939. The next prime is 1356416951. The reversal of 1356416947 is 7496146531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1356416947 - 2³ = 1356416939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1356416897 and 1356416906.

It is not a weakly prime, because it can be changed into another prime (1356416917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678208473 + 678208474.

It is an arithmetic number, because the mean of its divisors is an integer number (678208474).

Almost surely, 2^1356416947 is an apocalyptic number.

1356416947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356416947 is an equidigital number, since it uses as much as digits as its factorization.

1356416947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 46.

The square root of 1356416947 is about 36829.5662070571. The cubic root of 1356416947 is about 1106.9578108620.

The spelling of 1356416947 in words is "one billion, three hundred fifty-six million, four hundred sixteen thousand, nine hundred forty-seven".