129058406453 has 4 divisors (see below), whose sum is σ = 129254246880. Its totient is φ = 128862566028.

The previous prime is 129058406447. The next prime is 129058406459. The reversal of 129058406453 is 354604850921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 354604850921 = 79 ⋅4488668999.

It is an interprime number because it is at equal distance from previous prime (129058406447) and next prime (129058406459).

It is a cyclic number.

It is not a de Polignac number, because 129058406453 - 2⁴ = 129058406437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129058406398 and 129058406407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129058406459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97919225 + ... + 97920542.

It is an arithmetic number, because the mean of its divisors is an integer number (32313561720).

Almost surely, 2^129058406453 is an apocalyptic number.

It is an amenable number.

129058406453 is a deficient number, since it is larger than the sum of its proper divisors (195840427).

129058406453 is an equidigital number, since it uses as much as digits as its factorization.

129058406453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195840426.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 129058406453 in words is "one hundred twenty-nine billion, fifty-eight million, four hundred six thousand, four hundred fifty-three".