64546242074 has 8 divisors (see below), whose sum is σ = 96823457568. Its totient is φ = 32271756220.

The previous prime is 64546242043. The next prime is 64546242083. The reversal of 64546242074 is 47024264546.

64546242074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622232 + ... + 718515.

It is an arithmetic number, because the mean of its divisors is an integer number (12102932196).

Almost surely, 2^64546242074 is an apocalyptic number.

64546242074 is a deficient number, since it is larger than the sum of its proper divisors (32277215494).

64546242074 is a wasteful number, since it uses less digits than its factorization.

64546242074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364820.

The product of its (nonzero) digits is 1290240, while the sum is 44.

The spelling of 64546242074 in words is "sixty-four billion, five hundred forty-six million, two hundred forty-two thousand, seventy-four".