26542754919 has 64 divisors (see below), whose sum is σ = 42909120000. Its totient is φ = 16151933952.

The previous prime is 26542754897. The next prime is 26542754921. The reversal of 26542754919 is 91945724562.

It is a happy number.

26542754919 is a `hidden beast` number, since 2 + 6 + 542 + 7 + 5 + 4 + 91 + 9 = 666.

It is not a de Polignac number, because 26542754919 - 2¹² = 26542750823 is a prime.

It is a super-2 number, since 2×26542754919² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26542754989) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8374167 + ... + 8377335.

It is an arithmetic number, because the mean of its divisors is an integer number (670455000).

Almost surely, 2^26542754919 is an apocalyptic number.

26542754919 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

26542754919 is a deficient number, since it is larger than the sum of its proper divisors (16366365081).

26542754919 is a wasteful number, since it uses less digits than its factorization.

26542754919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3789 (or 3783 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 26542754919 in words is "twenty-six billion, five hundred forty-two million, seven hundred fifty-four thousand, nine hundred nineteen".