29079479497 has 2 divisors, whose sum is σ = 29079479498. Its totient is φ = 29079479496.

The previous prime is 29079479479. The next prime is 29079479501. The reversal of 29079479497 is 79497497092.

Together with previous prime (29079479479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25450139961 + 3629339536 = 159531^2 + 60244^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29079479497 is a prime.

It is a super-2 number, since 2×29079479497² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (29079179497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14539739748 + 14539739749.

It is an arithmetic number, because the mean of its divisors is an integer number (14539739749).

Almost surely, 2^29079479497 is an apocalyptic number.

It is an amenable number.

29079479497 is a deficient number, since it is larger than the sum of its proper divisors (1).

29079479497 is an equidigital number, since it uses as much as digits as its factorization.

29079479497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72013536, while the sum is 67.

The spelling of 29079479497 in words is "twenty-nine billion, seventy-nine million, four hundred seventy-nine thousand, four hundred ninety-seven".