29293387741021 has 2 divisors, whose sum is σ = 29293387741022. Its totient is φ = 29293387741020.

The previous prime is 29293387740907. The next prime is 29293387741049. The reversal of 29293387741021 is 12014778339292.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29017463409796 + 275924331225 = 5386786^2 + 525285^2 .

It is a cyclic number.

It is not a de Polignac number, because 29293387741021 - 2²⁹ = 29292850870109 is a prime.

It is a super-2 number, since 2×29293387741021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29293387747021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14646693870510 + 14646693870511.

It is an arithmetic number, because the mean of its divisors is an integer number (14646693870511).

Almost surely, 2^{29293387741021} is an apocalyptic number.

It is an amenable number.

29293387741021 is a deficient number, since it is larger than the sum of its proper divisors (1).

29293387741021 is an equidigital number, since it uses as much as digits as its factorization.

29293387741021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 29293387741021 in words is "twenty-nine trillion, two hundred ninety-three billion, three hundred eighty-seven million, seven hundred forty-one thousand, twenty-one".