10720977653 has 2 divisors, whose sum is σ = 10720977654. Its totient is φ = 10720977652.

The previous prime is 10720977581. The next prime is 10720977689. The reversal of 10720977653 is 35677902701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10701281809 + 19695844 = 103447^2 + 4438^2 .

It is a cyclic number.

It is not a de Polignac number, because 10720977653 - 2¹⁶ = 10720912117 is a prime.

It is a super-2 number, since 2×10720977653² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10720977598 and 10720977607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10720977353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5360488826 + 5360488827.

It is an arithmetic number, because the mean of its divisors is an integer number (5360488827).

Almost surely, 2^10720977653 is an apocalyptic number.

It is an amenable number.

10720977653 is a deficient number, since it is larger than the sum of its proper divisors (1).

10720977653 is an equidigital number, since it uses as much as digits as its factorization.

10720977653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 555660, while the sum is 47.

The spelling of 10720977653 in words is "ten billion, seven hundred twenty million, nine hundred seventy-seven thousand, six hundred fifty-three".