64674546420147 has 16 divisors (see below), whose sum is σ = 88340792594208. Its totient is φ = 42062447185920.

The previous prime is 64674546420119. The next prime is 64674546420193. The reversal of 64674546420147 is 74102464547646.

It is not a de Polignac number, because 64674546420147 - 2¹⁵ = 64674546387379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64674546420647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12103678 + ... + 16608675.

It is an arithmetic number, because the mean of its divisors is an integer number (5521299537138).

Almost surely, 2^{64674546420147} is an apocalyptic number.

64674546420147 is a deficient number, since it is larger than the sum of its proper divisors (23666246174061).

64674546420147 is a wasteful number, since it uses less digits than its factorization.

64674546420147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28730710.

The product of its (nonzero) digits is 108380160, while the sum is 60.

The spelling of 64674546420147 in words is "sixty-four trillion, six hundred seventy-four billion, five hundred forty-six million, four hundred twenty thousand, one hundred forty-seven".