64819498 has 4 divisors (see below), whose sum is σ = 97229250. Its totient is φ = 32409748.

The previous prime is 64819493. The next prime is 64819499. The reversal of 64819498 is 89491846.

64819498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89491846 = 2 ⋅44745923.

It can be written as a sum of positive squares in only one way, i.e., 61732449 + 3087049 = 7857^2 + 1757^2 .

It is not an unprimeable number, because it can be changed into a prime (64819493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16204873 + ... + 16204876.

Almost surely, 2^64819498 is an apocalyptic number.

64819498 is a deficient number, since it is larger than the sum of its proper divisors (32409752).

64819498 is a wasteful number, since it uses less digits than its factorization.

64819498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32409751.

The product of its digits is 497664, while the sum is 49.

The square root of 64819498 is about 8051.0557071728. The cubic root of 64819498 is about 401.7000518231.

The spelling of 64819498 in words is "sixty-four million, eight hundred nineteen thousand, four hundred ninety-eight".