4312154893 has 2 divisors, whose sum is σ = 4312154894. Its totient is φ = 4312154892.

The previous prime is 4312154863. The next prime is 4312154927. The reversal of 4312154893 is 3984512134.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4312154889 + 4 = 65667^2 + 2^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4312154893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4312154813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156077446 + 2156077447.

It is an arithmetic number, because the mean of its divisors is an integer number (2156077447).

Almost surely, 2^4312154893 is an apocalyptic number.

It is an amenable number.

4312154893 is a deficient number, since it is larger than the sum of its proper divisors (1).

4312154893 is an equidigital number, since it uses as much as digits as its factorization.

4312154893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 4312154893 is about 65667.0000304567. Note that the first 4 decimals coincide. The cubic root of 4312154893 is about 1627.6640977275.

The spelling of 4312154893 in words is "four billion, three hundred twelve million, one hundred fifty-four thousand, eight hundred ninety-three".