29242472647 has 2 divisors, whose sum is σ = 29242472648. Its totient is φ = 29242472646.

The previous prime is 29242472621. The next prime is 29242472653. The reversal of 29242472647 is 74627424292.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 29242472647 - 2¹⁵ = 29242439879 is a prime.

It is a super-3 number, since 3×29242472647³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 29242472647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29242472947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14621236323 + 14621236324.

It is an arithmetic number, because the mean of its divisors is an integer number (14621236324).

Almost surely, 2^29242472647 is an apocalyptic number.

29242472647 is a deficient number, since it is larger than the sum of its proper divisors (1).

29242472647 is an equidigital number, since it uses as much as digits as its factorization.

29242472647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 49.

The spelling of 29242472647 in words is "twenty-nine billion, two hundred forty-two million, four hundred seventy-two thousand, six hundred forty-seven".