64130947086390 has 128 divisors (see below), whose sum is σ = 155164792320000. Its totient is φ = 16963155789696.

The previous prime is 64130947086379. The next prime is 64130947086457. The reversal of 64130947086390 is 9368074903146.

It is a super-2 number, since 2×64130947086390² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7372216261 + ... + 7372224959.

It is an arithmetic number, because the mean of its divisors is an integer number (1212224940000).

Almost surely, 2^{64130947086390} is an apocalyptic number.

64130947086390 is an abundant number, since it is smaller than the sum of its proper divisors (91033845233610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64130947086390 is a wasteful number, since it uses less digits than its factorization.

64130947086390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12194.

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 64130947086390 in words is "sixty-four trillion, one hundred thirty billion, nine hundred forty-seven million, eighty-six thousand, three hundred ninety".