7129456053 has 4 divisors (see below), whose sum is σ = 9505941408. Its totient is φ = 4752970700.

The previous prime is 7129456049. The next prime is 7129456057. The reversal of 7129456053 is 3506549217.

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.

It is an interprime number because it is at equal distance from previous prime (7129456049) and next prime (7129456057).

It is a cyclic number.

It is not a de Polignac number, because 7129456053 - 2² = 7129456049 is a prime.

It is a super-2 number, since 2×7129456053² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7129455996 and 7129456014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7129456057) 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, 1188242673 + ... + 1188242678.

It is an arithmetic number, because the mean of its divisors is an integer number (2376485352).

Almost surely, 2^7129456053 is an apocalyptic number.

It is an amenable number.

7129456053 is a deficient number, since it is larger than the sum of its proper divisors (2376485355).

7129456053 is a wasteful number, since it uses less digits than its factorization.

7129456053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376485354.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 7129456053 is about 84436.1063349086. The cubic root of 7129456053 is about 1924.6516311628.

The spelling of 7129456053 in words is "seven billion, one hundred twenty-nine million, four hundred fifty-six thousand, fifty-three".