64883351826812 has 24 divisors (see below), whose sum is σ = 117221118615552. Its totient is φ = 31391826562800.

The previous prime is 64883351826793. The next prime is 64883351826841. The reversal of 64883351826812 is 21862815338846.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26694788 + ... + 29023755.

It is an arithmetic number, because the mean of its divisors is an integer number (4884213275648).

Almost surely, 2^{64883351826812} is an apocalyptic number.

64883351826812 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

64883351826812 is a deficient number, since it is larger than the sum of its proper divisors (52337766788740).

64883351826812 is a wasteful number, since it uses less digits than its factorization.

64883351826812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55727969 (or 55727967 counting only the distinct ones).

The product of its digits is 106168320, while the sum is 65.

The spelling of 64883351826812 in words is "sixty-four trillion, eight hundred eighty-three billion, three hundred fifty-one million, eight hundred twenty-six thousand, eight hundred twelve".