2631043426 has 8 divisors (see below), whose sum is σ = 4305343824. Its totient is φ = 1195928820.

The previous prime is 2631043391. The next prime is 2631043427. The reversal of 2631043426 is 6243401362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2631043427) 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, 59796420 + ... + 59796463.

It is an arithmetic number, because the mean of its divisors is an integer number (538167978).

Almost surely, 2^2631043426 is an apocalyptic number.

2631043426 is a deficient number, since it is larger than the sum of its proper divisors (1674300398).

2631043426 is a wasteful number, since it uses less digits than its factorization.

2631043426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119592896.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 2631043426 is about 51293.6977220399. The cubic root of 2631043426 is about 1380.5199024756.

Adding to 2631043426 its reverse (6243401362), we get a palindrome (8874444788).

The spelling of 2631043426 in words is "two billion, six hundred thirty-one million, forty-three thousand, four hundred twenty-six".