3145984747 has 2 divisors, whose sum is σ = 3145984748. Its totient is φ = 3145984746.

The previous prime is 3145984739. The next prime is 3145984753. The reversal of 3145984747 is 7474895413.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3145984747 - 2³ = 3145984739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3145984694 and 3145984703.

It is not a weakly prime, because it can be changed into another prime (3145982747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572992373 + 1572992374.

It is an arithmetic number, because the mean of its divisors is an integer number (1572992374).

Almost surely, 2^3145984747 is an apocalyptic number.

3145984747 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145984747 is an equidigital number, since it uses as much as digits as its factorization.

3145984747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 52.

The square root of 3145984747 is about 56089.0786784736. The cubic root of 3145984747 is about 1465.2740923867.

The spelling of 3145984747 in words is "three billion, one hundred forty-five million, nine hundred eighty-four thousand, seven hundred forty-seven".