10537982621 has 2 divisors, whose sum is σ = 10537982622. Its totient is φ = 10537982620.

The previous prime is 10537982603. The next prime is 10537982639. The reversal of 10537982621 is 12628973501.

It is a balanced prime because it is at equal distance from previous prime (10537982603) and next prime (10537982639).

It can be written as a sum of positive squares in only one way, i.e., 8970931225 + 1567051396 = 94715^2 + 39586^2 .

It is a cyclic number.

It is not a de Polignac number, because 10537982621 - 2⁶ = 10537982557 is a prime.

It is a super-2 number, since 2×10537982621² (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 (10537982921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5268991310 + 5268991311.

It is an arithmetic number, because the mean of its divisors is an integer number (5268991311).

Almost surely, 2^10537982621 is an apocalyptic number.

It is an amenable number.

10537982621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10537982621 is an equidigital number, since it uses as much as digits as its factorization.

10537982621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 10537982621 in words is "ten billion, five hundred thirty-seven million, nine hundred eighty-two thousand, six hundred twenty-one".