29951434973 has 2 divisors, whose sum is σ = 29951434974. Its totient is φ = 29951434972.

The previous prime is 29951434949. The next prime is 29951435021. The reversal of 29951434973 is 37943415992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24619806649 + 5331628324 = 156907^2 + 73018^2 .

It is a cyclic number.

It is not a de Polignac number, because 29951434973 - 2¹⁴ = 29951418589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29951434913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14975717486 + 14975717487.

It is an arithmetic number, because the mean of its divisors is an integer number (14975717487).

Almost surely, 2^29951434973 is an apocalyptic number.

It is an amenable number.

29951434973 is a deficient number, since it is larger than the sum of its proper divisors (1).

29951434973 is an equidigital number, since it uses as much as digits as its factorization.

29951434973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7348320, while the sum is 56.

The spelling of 29951434973 in words is "twenty-nine billion, nine hundred fifty-one million, four hundred thirty-four thousand, nine hundred seventy-three".