29261378983 has 2 divisors, whose sum is σ = 29261378984. Its totient is φ = 29261378982.

The previous prime is 29261378953. The next prime is 29261378999. The reversal of 29261378983 is 38987316292.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29261378983 is a prime.

It is a super-2 number, since 2×29261378983² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29261378953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14630689491 + 14630689492.

It is an arithmetic number, because the mean of its divisors is an integer number (14630689492).

Almost surely, 2^29261378983 is an apocalyptic number.

29261378983 is a deficient number, since it is larger than the sum of its proper divisors (1).

29261378983 is an equidigital number, since it uses as much as digits as its factorization.

29261378983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 58.

The spelling of 29261378983 in words is "twenty-nine billion, two hundred sixty-one million, three hundred seventy-eight thousand, nine hundred eighty-three".