105421464562 has 4 divisors (see below), whose sum is σ = 158132196846. Its totient is φ = 52710732280.

The previous prime is 105421464539. The next prime is 105421464613. The reversal of 105421464562 is 265464124501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 265464124501 = 71 ⋅3738931331.

It can be written as a sum of positive squares in only one way, i.e., 105098507721 + 322956841 = 324189^2 + 17971^2 .

It is a super-2 number, since 2×105421464562² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26355366139 + ... + 26355366142.

Almost surely, 2^105421464562 is an apocalyptic number.

105421464562 is a deficient number, since it is larger than the sum of its proper divisors (52710732284).

105421464562 is an equidigital number, since it uses as much as digits as its factorization.

105421464562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52710732283.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 105421464562 in words is "one hundred five billion, four hundred twenty-one million, four hundred sixty-four thousand, five hundred sixty-two".