6430426237 has 4 divisors (see below), whose sum is σ = 6526402816. Its totient is φ = 6334449660.

The previous prime is 6430426229. The next prime is 6430426243. The reversal of 6430426237 is 7326240346.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6430426237 - 2³ = 6430426229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6430426196 and 6430426205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6430426207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47988189 + ... + 47988322.

It is an arithmetic number, because the mean of its divisors is an integer number (1631600704).

Almost surely, 2^6430426237 is an apocalyptic number.

6430426237 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

6430426237 is a deficient number, since it is larger than the sum of its proper divisors (95976579).

6430426237 is an equidigital number, since it uses as much as digits as its factorization.

6430426237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95976578.

The product of its (nonzero) digits is 145152, while the sum is 37.

The square root of 6430426237 is about 80189.9385022834. The cubic root of 6430426237 is about 1859.5730932407.

The spelling of 6430426237 in words is "six billion, four hundred thirty million, four hundred twenty-six thousand, two hundred thirty-seven".