105542631473 has 4 divisors (see below), whose sum is σ = 106301931120. Its totient is φ = 104783331828.

The previous prime is 105542631433. The next prime is 105542631487. The reversal of 105542631473 is 374136245501.

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: 374136245501 = 10253 ⋅36490417.

It is a cyclic number.

It is not a de Polignac number, because 105542631473 - 2¹⁶ = 105542565937 is a prime.

It is a super-2 number, since 2×105542631473² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105542631473.

It is not an unprimeable number, because it can be changed into a prime (105542631413) 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, 379649615 + ... + 379649892.

It is an arithmetic number, because the mean of its divisors is an integer number (26575482780).

Almost surely, 2^105542631473 is an apocalyptic number.

It is an amenable number.

105542631473 is a deficient number, since it is larger than the sum of its proper divisors (759299647).

105542631473 is an equidigital number, since it uses as much as digits as its factorization.

105542631473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759299646.

The product of its (nonzero) digits is 302400, while the sum is 41.

Adding to 105542631473 its reverse (374136245501), we get a palindrome (479678876974).

The spelling of 105542631473 in words is "one hundred five billion, five hundred forty-two million, six hundred thirty-one thousand, four hundred seventy-three".