6862153121 has 2 divisors, whose sum is σ = 6862153122. Its totient is φ = 6862153120.

The previous prime is 6862153091. The next prime is 6862153127. The reversal of 6862153121 is 1213512686.

6862153121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4368549025 + 2493604096 = 66095^2 + 49936^2 .

It is a cyclic number.

It is not a de Polignac number, because 6862153121 - 2⁶ = 6862153057 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6862153127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3431076560 + 3431076561.

It is an arithmetic number, because the mean of its divisors is an integer number (3431076561).

Almost surely, 2^6862153121 is an apocalyptic number.

It is an amenable number.

6862153121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6862153121 is an equidigital number, since it uses as much as digits as its factorization.

6862153121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 6862153121 is about 82838.1139391766. The cubic root of 6862153121 is about 1900.2911023042.

The spelling of 6862153121 in words is "six billion, eight hundred sixty-two million, one hundred fifty-three thousand, one hundred twenty-one".