7481687053 has 2 divisors, whose sum is σ = 7481687054. Its totient is φ = 7481687052.

The previous prime is 7481687051. The next prime is 7481687099. The reversal of 7481687053 is 3507861847.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7479309289 + 2377764 = 86483^2 + 1542^2 .

It is a cyclic number.

It is not a de Polignac number, because 7481687053 - 2¹ = 7481687051 is a prime.

Together with 7481687051, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 7481686988 and 7481687006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7481687051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3740843526 + 3740843527.

It is an arithmetic number, because the mean of its divisors is an integer number (3740843527).

Almost surely, 2^7481687053 is an apocalyptic number.

It is an amenable number.

7481687053 is a deficient number, since it is larger than the sum of its proper divisors (1).

7481687053 is an equidigital number, since it uses as much as digits as its factorization.

7481687053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The square root of 7481687053 is about 86496.7459098896. The cubic root of 7481687053 is about 1955.8393496005.

The spelling of 7481687053 in words is "seven billion, four hundred eighty-one million, six hundred eighty-seven thousand, fifty-three".