979934653 has 2 divisors, whose sum is σ = 979934654. Its totient is φ = 979934652.

The previous prime is 979934617. The next prime is 979934693. The reversal of 979934653 is 356439979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 707453604 + 272481049 = 26598^2 + 16507^2 .

It is a cyclic number.

It is not a de Polignac number, because 979934653 - 2²⁵ = 946380221 is a prime.

It is a super-3 number, since 3×979934653³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 979934594 and 979934603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (979934693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 489967326 + 489967327.

It is an arithmetic number, because the mean of its divisors is an integer number (489967327).

Almost surely, 2^979934653 is an apocalyptic number.

It is an amenable number.

979934653 is a deficient number, since it is larger than the sum of its proper divisors (1).

979934653 is an equidigital number, since it uses as much as digits as its factorization.

979934653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5511240, while the sum is 55.

The square root of 979934653 is about 31303.9079509252. The cubic root of 979934653 is about 993.2663101959.

The spelling of 979934653 in words is "nine hundred seventy-nine million, nine hundred thirty-four thousand, six hundred fifty-three".