26497981094 has 32 divisors (see below), whose sum is σ = 44425069920. Its totient is φ = 11769553152.

The previous prime is 26497981093. The next prime is 26497981099. The reversal of 26497981094 is 49018979462.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26497981093) 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, 174242 + ... + 288714.

It is an arithmetic number, because the mean of its divisors is an integer number (1388283435).

Almost surely, 2^26497981094 is an apocalyptic number.

26497981094 is a deficient number, since it is larger than the sum of its proper divisors (17927088826).

26497981094 is a wasteful number, since it uses less digits than its factorization.

26497981094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114824.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 26497981094 in words is "twenty-six billion, four hundred ninety-seven million, nine hundred eighty-one thousand, ninety-four".