4312154889 has 81 divisors (see below), whose sum is σ = 7512171303. Its totient is φ = 2376620064.

The previous prime is 4312154863. The next prime is 4312154893. The reversal of 4312154889 is 9884512134.

The square root of 4312154889 is 65667.

It is a perfect power (a square), and thus also a powerful number.

4312154889 is a `hidden beast` number, since 4 + 3 + 1 + 21 + 548 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3108620025 + 1203534864 = 55755^2 + 34692^2 .

It is not a de Polignac number, because 4312154889 - 2⁷ = 4312154761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4312154809) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 73087342 + ... + 73087400.

Almost surely, 2^4312154889 is an apocalyptic number.

4312154889 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4312154889 is the 65667-th square number.

4312154889 is the 32834-th centered octagonal number.

It is an amenable number.

4312154889 is a deficient number, since it is larger than the sum of its proper divisors (3200016414).

4312154889 is an equidigital number, since it uses as much as digits as its factorization.

4312154889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 122 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The cubic root of 4312154889 is about 1627.6640972243.

It can be divided in two parts, 4312 and 154889, that added together give a square (159201 = 399²).

The spelling of 4312154889 in words is "four billion, three hundred twelve million, one hundred fifty-four thousand, eight hundred eighty-nine".