1403954947 has 2 divisors, whose sum is σ = 1403954948. Its totient is φ = 1403954946.

The previous prime is 1403954921. The next prime is 1403954953. The reversal of 1403954947 is 7494593041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1403954947 - 2⁷ = 1403954819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1403954897 and 1403954906.

It is not a weakly prime, because it can be changed into another prime (1403954957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701977473 + 701977474.

It is an arithmetic number, because the mean of its divisors is an integer number (701977474).

Almost surely, 2^1403954947 is an apocalyptic number.

1403954947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403954947 is an equidigital number, since it uses as much as digits as its factorization.

1403954947 is an evil number, because the sum of its binary digits is even.

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

The square root of 1403954947 is about 37469.3867977580. The cubic root of 1403954947 is about 1119.7413696503.

It can be divided in two parts, 14039 and 54947, that added together give a palindrome (68986).

The spelling of 1403954947 in words is "one billion, four hundred three million, nine hundred fifty-four thousand, nine hundred forty-seven".