26421812462 has 4 divisors (see below), whose sum is σ = 39632718696. Its totient is φ = 13210906230.

The previous prime is 26421812447. The next prime is 26421812497.

26421812462 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×26421812462² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6605453114 + ... + 6605453117.

It is an arithmetic number, because the mean of its divisors is an integer number (9908179674).

Almost surely, 2^26421812462 is an apocalyptic number.

26421812462 is a deficient number, since it is larger than the sum of its proper divisors (13210906234).

26421812462 is a wasteful number, since it uses less digits than its factorization.

26421812462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13210906233.

The product of its digits is 73728, while the sum is 38.

The spelling of 26421812462 in words is "twenty-six billion, four hundred twenty-one million, eight hundred twelve thousand, four hundred sixty-two".