1254495613513 has 4 divisors (see below), whose sum is σ = 1272164565888. Its totient is φ = 1236826661140.

The previous prime is 1254495613447. The next prime is 1254495613519. The reversal of 1254495613513 is 3153165944521.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1254495613513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1254495613519) 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, 8834476081 + ... + 8834476222.

It is an arithmetic number, because the mean of its divisors is an integer number (318041141472).

Almost surely, 2^{1254495613513} is an apocalyptic number.

It is an amenable number.

1254495613513 is a deficient number, since it is larger than the sum of its proper divisors (17668952375).

1254495613513 is an equidigital number, since it uses as much as digits as its factorization.

1254495613513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17668952374.

The product of its digits is 1944000, while the sum is 49.

The spelling of 1254495613513 in words is "one trillion, two hundred fifty-four billion, four hundred ninety-five million, six hundred thirteen thousand, five hundred thirteen".