27492929473 has 4 divisors (see below), whose sum is σ = 27503915968. Its totient is φ = 27481942980.

The previous prime is 27492929461. The next prime is 27492929561. The reversal of 27492929473 is 37492929472.

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 not a de Polignac number, because 27492929473 - 2¹⁷ = 27492798401 is a prime.

It is a super-2 number, since 2×27492929473² (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 (27492929413) 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 3 ways as a sum of consecutive naturals, for example, 5489493 + ... + 5494498.

It is an arithmetic number, because the mean of its divisors is an integer number (6875978992).

Almost surely, 2^27492929473 is an apocalyptic number.

It is an amenable number.

27492929473 is a deficient number, since it is larger than the sum of its proper divisors (10986495).

27492929473 is a wasteful number, since it uses less digits than its factorization.

27492929473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10986494.

The product of its digits is 13716864, while the sum is 58.

Subtracting 27492929473 from its reverse (37492929472), we obtain a palindrome (9999999999).

The spelling of 27492929473 in words is "twenty-seven billion, four hundred ninety-two million, nine hundred twenty-nine thousand, four hundred seventy-three".