10633651421 has 2 divisors, whose sum is σ = 10633651422. Its totient is φ = 10633651420.

The previous prime is 10633651373. The next prime is 10633651451. The reversal of 10633651421 is 12415633601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9759266521 + 874384900 = 98789^2 + 29570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10633651421 is a prime.

It is a super-2 number, since 2×10633651421² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10633651451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5316825710 + 5316825711.

It is an arithmetic number, because the mean of its divisors is an integer number (5316825711).

Almost surely, 2^10633651421 is an apocalyptic number.

It is an amenable number.

10633651421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10633651421 is an equidigital number, since it uses as much as digits as its factorization.

10633651421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 10633651421 in words is "ten billion, six hundred thirty-three million, six hundred fifty-one thousand, four hundred twenty-one".