26146423437 has 16 divisors (see below), whose sum is σ = 37223628288. Its totient is φ = 16285333680.

The previous prime is 26146423409. The next prime is 26146423477. The reversal of 26146423437 is 73432464162.

It is not a de Polignac number, because 26146423437 - 2²⁸ = 25877987981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26146423477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4403239 + ... + 4409172.

It is an arithmetic number, because the mean of its divisors is an integer number (2326476768).

Almost surely, 2^26146423437 is an apocalyptic number.

It is an amenable number.

26146423437 is a deficient number, since it is larger than the sum of its proper divisors (11077204851).

26146423437 is a wasteful number, since it uses less digits than its factorization.

26146423437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8812480.

The product of its digits is 580608, while the sum is 42.

Adding to 26146423437 its reverse (73432464162), we get a palindrome (99578887599).

The spelling of 26146423437 in words is "twenty-six billion, one hundred forty-six million, four hundred twenty-three thousand, four hundred thirty-seven".