29427146851 has 2 divisors, whose sum is σ = 29427146852. Its totient is φ = 29427146850.

The previous prime is 29427146843. The next prime is 29427146909. The reversal of 29427146851 is 15864172492.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 29427146851 - 2³ = 29427146843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 29427146795 and 29427146804.

It is not a weakly prime, because it can be changed into another prime (29427146821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14713573425 + 14713573426.

It is an arithmetic number, because the mean of its divisors is an integer number (14713573426).

Almost surely, 2^29427146851 is an apocalyptic number.

29427146851 is a deficient number, since it is larger than the sum of its proper divisors (1).

29427146851 is an equidigital number, since it uses as much as digits as its factorization.

29427146851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 967680, while the sum is 49.

The spelling of 29427146851 in words is "twenty-nine billion, four hundred twenty-seven million, one hundred forty-six thousand, eight hundred fifty-one".