64341550492 has 12 divisors (see below), whose sum is σ = 112605194520. Its totient is φ = 32168637776.

The previous prime is 64341550487. The next prime is 64341550499. The reversal of 64341550492 is 29405514346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64341550499) 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, 465658 + ... + 587809.

It is an arithmetic number, because the mean of its divisors is an integer number (9383766210).

Almost surely, 2^64341550492 is an apocalyptic number.

It is an amenable number.

64341550492 is a deficient number, since it is larger than the sum of its proper divisors (48263644028).

64341550492 is a wasteful number, since it uses less digits than its factorization.

64341550492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068740 (or 1068738 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 64341550492 in words is "sixty-four billion, three hundred forty-one million, five hundred fifty thousand, four hundred ninety-two".