6379942553 has 2 divisors, whose sum is σ = 6379942554. Its totient is φ = 6379942552.

The previous prime is 6379942511. The next prime is 6379942567. The reversal of 6379942553 is 3552499736.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5074710169 + 1305232384 = 71237^2 + 36128^2 .

It is a cyclic number.

It is not a de Polignac number, because 6379942553 - 2⁶ = 6379942489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6379942495 and 6379942504.

It is not a weakly prime, because it can be changed into another prime (6379942453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3189971276 + 3189971277.

It is an arithmetic number, because the mean of its divisors is an integer number (3189971277).

Almost surely, 2^6379942553 is an apocalyptic number.

It is an amenable number.

6379942553 is a deficient number, since it is larger than the sum of its proper divisors (1).

6379942553 is an equidigital number, since it uses as much as digits as its factorization.

6379942553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6123600, while the sum is 53.

The square root of 6379942553 is about 79874.5425839798. The cubic root of 6379942553 is about 1854.6939532828.

The spelling of 6379942553 in words is "six billion, three hundred seventy-nine million, nine hundred forty-two thousand, five hundred fifty-three".