29713321541 has 2 divisors, whose sum is σ = 29713321542. Its totient is φ = 29713321540.

The previous prime is 29713321529. The next prime is 29713321549. The reversal of 29713321541 is 14512331792.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18080836225 + 11632485316 = 134465^2 + 107854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29713321541 is a prime.

It is a super-2 number, since 2×29713321541² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29713321495 and 29713321504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29713321549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14856660770 + 14856660771.

It is an arithmetic number, because the mean of its divisors is an integer number (14856660771).

Almost surely, 2^29713321541 is an apocalyptic number.

It is an amenable number.

29713321541 is a deficient number, since it is larger than the sum of its proper divisors (1).

29713321541 is an equidigital number, since it uses as much as digits as its factorization.

29713321541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The spelling of 29713321541 in words is "twenty-nine billion, seven hundred thirteen million, three hundred twenty-one thousand, five hundred forty-one".