26403956141 has 4 divisors (see below), whose sum is σ = 26593912800. Its totient is φ = 26213999484.

The previous prime is 26403956107. The next prime is 26403956237. The reversal of 26403956141 is 14165930462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26403956141 is a prime.

It is a super-2 number, since 2×26403956141² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26403956041) 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, 94978121 + ... + 94978398.

It is an arithmetic number, because the mean of its divisors is an integer number (6648478200).

Almost surely, 2^26403956141 is an apocalyptic number.

It is an amenable number.

26403956141 is a deficient number, since it is larger than the sum of its proper divisors (189956659).

26403956141 is a wasteful number, since it uses less digits than its factorization.

26403956141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189956658.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 26403956141 in words is "twenty-six billion, four hundred three million, nine hundred fifty-six thousand, one hundred forty-one".