64347153044 has 12 divisors (see below), whose sum is σ = 112613405184. Its totient is φ = 32171894424.

The previous prime is 64347153011. The next prime is 64347153047. The reversal of 64347153044 is 44035174346.

It is a happy number.

It is a super-2 number, since 2×64347153044² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64347152992 and 64347153010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64347153047) 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, 332402 + ... + 489065.

It is an arithmetic number, because the mean of its divisors is an integer number (9384450432).

Almost surely, 2^64347153044 is an apocalyptic number.

It is an amenable number.

64347153044 is a deficient number, since it is larger than the sum of its proper divisors (48266252140).

64347153044 is a wasteful number, since it uses less digits than its factorization.

64347153044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841054 (or 841052 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 64347153044 in words is "sixty-four billion, three hundred forty-seven million, one hundred fifty-three thousand, forty-four".