64480986461 has 8 divisors (see below), whose sum is σ = 65614285824. Its totient is φ = 63352713600.

The previous prime is 64480986419. The next prime is 64480986499. The reversal of 64480986461 is 16468908446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64480986461 is a prime.

It is a super-2 number, since 2×64480986461² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64480986397 and 64480986406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64480988461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1230740 + ... + 1282061.

It is an arithmetic number, because the mean of its divisors is an integer number (8201785728).

Almost surely, 2^64480986461 is an apocalyptic number.

It is an amenable number.

64480986461 is a deficient number, since it is larger than the sum of its proper divisors (1133299363).

64480986461 is a wasteful number, since it uses less digits than its factorization.

64480986461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513251.

The product of its (nonzero) digits is 7962624, while the sum is 56.

The spelling of 64480986461 in words is "sixty-four billion, four hundred eighty million, nine hundred eighty-six thousand, four hundred sixty-one".