29142890671 has 2 divisors, whose sum is σ = 29142890672. Its totient is φ = 29142890670.

The previous prime is 29142890617. The next prime is 29142890687. The reversal of 29142890671 is 17609824192.

Together with previous prime (29142890617) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29142890671 - 2¹¹ = 29142888623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29142690671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14571445335 + 14571445336.

It is an arithmetic number, because the mean of its divisors is an integer number (14571445336).

Almost surely, 2^29142890671 is an apocalyptic number.

29142890671 is a deficient number, since it is larger than the sum of its proper divisors (1).

29142890671 is an equidigital number, since it uses as much as digits as its factorization.

29142890671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 29142890671 in words is "twenty-nine billion, one hundred forty-two million, eight hundred ninety thousand, six hundred seventy-one".