64693148012467 has 16 divisors (see below), whose sum is σ = 73816964172000. Its totient is φ = 56166507274752.

The previous prime is 64693148012459. The next prime is 64693148012477. The reversal of 64693148012467 is 76421084139646.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 64693148012467 - 2³ = 64693148012459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64693148012477) 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, 97310208 + ... + 97972765.

It is an arithmetic number, because the mean of its divisors is an integer number (4613560260750).

Almost surely, 2^{64693148012467} is an apocalyptic number.

64693148012467 is a deficient number, since it is larger than the sum of its proper divisors (9123816159533).

64693148012467 is a wasteful number, since it uses less digits than its factorization.

64693148012467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195284502.

The product of its (nonzero) digits is 41803776, while the sum is 61.

The spelling of 64693148012467 in words is "sixty-four trillion, six hundred ninety-three billion, one hundred forty-eight million, twelve thousand, four hundred sixty-seven".