6473420237 has 2 divisors, whose sum is σ = 6473420238. Its totient is φ = 6473420236.

The previous prime is 6473420231. The next prime is 6473420257. The reversal of 6473420237 is 7320243746.

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., 4432097476 + 2041322761 = 66574^2 + 45181^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6473420237 is a prime.

It is a super-2 number, since 2×6473420237² = 83810339129602272338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6473420237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6473420231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3236710118 + 3236710119.

It is an arithmetic number, because the mean of its divisors is an integer number (3236710119).

Almost surely, 2^6473420237 is an apocalyptic number.

It is an amenable number.

6473420237 is a deficient number, since it is larger than the sum of its proper divisors (1).

6473420237 is an equidigital number, since it uses as much as digits as its factorization.

6473420237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 38.

The square root of 6473420237 is about 80457.5679286915. The cubic root of 6473420237 is about 1863.7082758793.

The spelling of 6473420237 in words is "six billion, four hundred seventy-three million, four hundred twenty thousand, two hundred thirty-seven".