513682671454 has 4 divisors (see below), whose sum is σ = 770524007184. Its totient is φ = 256841335726.

The previous prime is 513682671451. The next prime is 513682671503. The reversal of 513682671454 is 454176286315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 454176286315 = 5 ⋅90835257263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513682671451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128420667862 + ... + 128420667865.

It is an arithmetic number, because the mean of its divisors is an integer number (192631001796).

Almost surely, 2^513682671454 is an apocalyptic number.

513682671454 is a deficient number, since it is larger than the sum of its proper divisors (256841335730).

513682671454 is a wasteful number, since it uses less digits than its factorization.

513682671454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256841335729.

The product of its digits is 4838400, while the sum is 52.

The spelling of 513682671454 in words is "five hundred thirteen billion, six hundred eighty-two million, six hundred seventy-one thousand, four hundred fifty-four".