26478497433 has 16 divisors (see below), whose sum is σ = 35424087296. Its totient is φ = 17592664320.

The previous prime is 26478497371. The next prime is 26478497443. The reversal of 26478497433 is 33479487462.

It is not a de Polignac number, because 26478497433 - 2¹⁶ = 26478431897 is a prime.

It is a super-2 number, since 2×26478497433² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26478497443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3667335 + ... + 3674547.

It is an arithmetic number, because the mean of its divisors is an integer number (2214005456).

Almost surely, 2^26478497433 is an apocalyptic number.

It is an amenable number.

26478497433 is a deficient number, since it is larger than the sum of its proper divisors (8945589863).

26478497433 is a wasteful number, since it uses less digits than its factorization.

26478497433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11184.

The product of its digits is 24385536, while the sum is 57.

The spelling of 26478497433 in words is "twenty-six billion, four hundred seventy-eight million, four hundred ninety-seven thousand, four hundred thirty-three".