13625774746 has 4 divisors (see below), whose sum is σ = 20438662122. Its totient is φ = 6812887372.

The previous prime is 13625774731. The next prime is 13625774749. The reversal of 13625774746 is 64747752631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64747752631 = 182131 ⋅355501.

It can be written as a sum of positive squares in only one way, i.e., 11782017025 + 1843757721 = 108545^2 + 42939^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13625774693 and 13625774702.

It is not an unprimeable number, because it can be changed into a prime (13625774749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3406443685 + ... + 3406443688.

Almost surely, 2^13625774746 is an apocalyptic number.

13625774746 is a deficient number, since it is larger than the sum of its proper divisors (6812887376).

13625774746 is an equidigital number, since it uses as much as digits as its factorization.

13625774746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6812887375.

The product of its digits is 5927040, while the sum is 52.

The spelling of 13625774746 in words is "thirteen billion, six hundred twenty-five million, seven hundred seventy-four thousand, seven hundred forty-six".