6237406481 has 2 divisors, whose sum is σ = 6237406482. Its totient is φ = 6237406480.

The previous prime is 6237406477. The next prime is 6237406493. The reversal of 6237406481 is 1846047326.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6188182225 + 49224256 = 78665^2 + 7016^2 .

It is a cyclic number.

It is not a de Polignac number, because 6237406481 - 2² = 6237406477 is a prime.

It is a super-2 number, since 2×6237406481² = 77810479218441606722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6237406451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3118703240 + 3118703241.

It is an arithmetic number, because the mean of its divisors is an integer number (3118703241).

Almost surely, 2^6237406481 is an apocalyptic number.

It is an amenable number.

6237406481 is a deficient number, since it is larger than the sum of its proper divisors (1).

6237406481 is an equidigital number, since it uses as much as digits as its factorization.

6237406481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 6237406481 is about 78977.2529339936. The cubic root of 6237406481 is about 1840.7777195347. Note that the first 4 decimals are identical.

The spelling of 6237406481 in words is "six billion, two hundred thirty-seven million, four hundred six thousand, four hundred eighty-one".