26412340634 has 4 divisors (see below), whose sum is σ = 39618510954. Its totient is φ = 13206170316.

The previous prime is 26412340627. The next prime is 26412340639. The reversal of 26412340634 is 43604321462.

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

It can be written as a sum of positive squares in only one way, i.e., 21285351025 + 5126989609 = 145895^2 + 71603^2 .

It is a super-2 number, since 2×26412340634² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26412340594 and 26412340603.

It is not an unprimeable number, because it can be changed into a prime (26412340639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6603085157 + ... + 6603085160.

Almost surely, 2^26412340634 is an apocalyptic number.

26412340634 is a deficient number, since it is larger than the sum of its proper divisors (13206170320).

26412340634 is a wasteful number, since it uses less digits than its factorization.

26412340634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13206170319.

The product of its (nonzero) digits is 82944, while the sum is 35.

The spelling of 26412340634 in words is "twenty-six billion, four hundred twelve million, three hundred forty thousand, six hundred thirty-four".