26730557133 has 16 divisors (see below), whose sum is σ = 40862422656. Its totient is φ = 15225799680.

The previous prime is 26730557123. The next prime is 26730557141. The reversal of 26730557133 is 33175503762.

It is not a de Polignac number, because 26730557133 - 2⁸ = 26730556877 is a prime.

It is a super-3 number, since 3×26730557133³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26730557123) 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, 2026788 + ... + 2039933.

It is an arithmetic number, because the mean of its divisors is an integer number (2553901416).

Almost surely, 2^26730557133 is an apocalyptic number.

It is an amenable number.

26730557133 is a deficient number, since it is larger than the sum of its proper divisors (14131865523).

26730557133 is a wasteful number, since it uses less digits than its factorization.

26730557133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4067044.

The product of its (nonzero) digits is 396900, while the sum is 42.

The spelling of 26730557133 in words is "twenty-six billion, seven hundred thirty million, five hundred fifty-seven thousand, one hundred thirty-three".