10545631973 has 4 divisors (see below), whose sum is σ = 10545926208. Its totient is φ = 10545337740.

The previous prime is 10545631963. The next prime is 10545631979. The reversal of 10545631973 is 37913654501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37913654501 = 2473 ⋅15331037.

It is a cyclic number.

It is not a de Polignac number, because 10545631973 - 2¹⁴ = 10545615589 is a prime.

It is a super-2 number, since 2×10545631973² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10545631979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84461 + ... + 168002.

It is an arithmetic number, because the mean of its divisors is an integer number (2636481552).

Almost surely, 2^10545631973 is an apocalyptic number.

It is an amenable number.

10545631973 is a deficient number, since it is larger than the sum of its proper divisors (294235).

10545631973 is an equidigital number, since it uses as much as digits as its factorization.

10545631973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294234.

The product of its (nonzero) digits is 340200, while the sum is 44.

The spelling of 10545631973 in words is "ten billion, five hundred forty-five million, six hundred thirty-one thousand, nine hundred seventy-three".