27145064829 has 16 divisors (see below), whose sum is σ = 36368608320. Its totient is φ = 18009191040.

The previous prime is 27145064777. The next prime is 27145064833. The reversal of 27145064829 is 92846054172.

It is not a de Polignac number, because 27145064829 - 2²³ = 27136676221 is a prime.

It is a super-2 number, since 2×27145064829² (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 (27145064879) 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, 1668874 + ... + 1685060.

It is an arithmetic number, because the mean of its divisors is an integer number (2273038020).

Almost surely, 2^27145064829 is an apocalyptic number.

It is an amenable number.

27145064829 is a deficient number, since it is larger than the sum of its proper divisors (9223543491).

27145064829 is a wasteful number, since it uses less digits than its factorization.

27145064829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18860.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 27145064829 in words is "twenty-seven billion, one hundred forty-five million, sixty-four thousand, eight hundred twenty-nine".