2645146547 has 2 divisors, whose sum is σ = 2645146548. Its totient is φ = 2645146546.

The previous prime is 2645146531. The next prime is 2645146583. The reversal of 2645146547 is 7456415462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2645146547 - 2⁴ = 2645146531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2645146498 and 2645146507.

It is not a weakly prime, because it can be changed into another prime (2645146597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322573273 + 1322573274.

It is an arithmetic number, because the mean of its divisors is an integer number (1322573274).

Almost surely, 2^2645146547 is an apocalyptic number.

2645146547 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645146547 is an equidigital number, since it uses as much as digits as its factorization.

2645146547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 44.

The square root of 2645146547 is about 51430.9881977782. The cubic root of 2645146547 is about 1382.9821644955.

The spelling of 2645146547 in words is "two billion, six hundred forty-five million, one hundred forty-six thousand, five hundred forty-seven".