64243201246 has 48 divisors (see below), whose sum is σ = 117226884096. Its totient is φ = 25860887424.

The previous prime is 64243201237. The next prime is 64243201271. The reversal of 64243201246 is 64210234246.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2019355 + ... + 2050921.

It is an arithmetic number, because the mean of its divisors is an integer number (2442226752).

Almost surely, 2^64243201246 is an apocalyptic number.

64243201246 is a deficient number, since it is larger than the sum of its proper divisors (52983682850).

64243201246 is a wasteful number, since it uses less digits than its factorization.

64243201246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32113 (or 32096 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 64243201246 in words is "sixty-four billion, two hundred forty-three million, two hundred one thousand, two hundred forty-six".