13455023074 has 4 divisors (see below), whose sum is σ = 20182534614. Its totient is φ = 6727511536.

The previous prime is 13455023047. The next prime is 13455023083. The reversal of 13455023074 is 47032055431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47032055431 = 140269 ⋅335299.

It can be written as a sum of positive squares in only one way, i.e., 11727373849 + 1727649225 = 108293^2 + 41565^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3363755767 + ... + 3363755770.

Almost surely, 2^13455023074 is an apocalyptic number.

13455023074 is a deficient number, since it is larger than the sum of its proper divisors (6727511540).

13455023074 is an equidigital number, since it uses as much as digits as its factorization.

13455023074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6727511539.

The product of its (nonzero) digits is 50400, while the sum is 34.

The spelling of 13455023074 in words is "thirteen billion, four hundred fifty-five million, twenty-three thousand, seventy-four".