9473378531 has 2 divisors, whose sum is σ = 9473378532. Its totient is φ = 9473378530.

The previous prime is 9473378521. The next prime is 9473378561. The reversal of 9473378531 is 1358733749.

It is a weak prime.

It is an emirp because it is prime and its reverse (1358733749) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9473378531 - 2¹⁴ = 9473362147 is a prime.

It is a super-2 number, since 2×9473378531² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9473378531.

It is not a weakly prime, because it can be changed into another prime (9473378501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4736689265 + 4736689266.

It is an arithmetic number, because the mean of its divisors is an integer number (4736689266).

Almost surely, 2^9473378531 is an apocalyptic number.

9473378531 is a deficient number, since it is larger than the sum of its proper divisors (1).

9473378531 is an equidigital number, since it uses as much as digits as its factorization.

9473378531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 50.

The square root of 9473378531 is about 97331.2823864969. The cubic root of 9473378531 is about 2115.9316282375.

The spelling of 9473378531 in words is "nine billion, four hundred seventy-three million, three hundred seventy-eight thousand, five hundred thirty-one".