5645151979 has 2 divisors, whose sum is σ = 5645151980. Its totient is φ = 5645151978.

The previous prime is 5645151973. The next prime is 5645151983. The reversal of 5645151979 is 9791515465.

5645151979 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5645151979 - 2¹³ = 5645143787 is a prime.

It is not a weakly prime, because it can be changed into another prime (5645151973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2822575989 + 2822575990.

It is an arithmetic number, because the mean of its divisors is an integer number (2822575990).

Almost surely, 2^5645151979 is an apocalyptic number.

5645151979 is a deficient number, since it is larger than the sum of its proper divisors (1).

5645151979 is an equidigital number, since it uses as much as digits as its factorization.

5645151979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1701000, while the sum is 52.

The square root of 5645151979 is about 75134.2264151299. The cubic root of 5645151979 is about 1780.5679266559.

The spelling of 5645151979 in words is "five billion, six hundred forty-five million, one hundred fifty-one thousand, nine hundred seventy-nine".