6460389777 has 8 divisors (see below), whose sum is σ = 8661975840. Its totient is φ = 4282865120.

The previous prime is 6460389757. The next prime is 6460389787. The reversal of 6460389777 is 7779830646.

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-6460389777 is a prime.

It is a super-2 number, since 2×6460389777² = 83473272141532219458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6460389757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6014724 + ... + 6015797.

It is an arithmetic number, because the mean of its divisors is an integer number (1082746980).

Almost surely, 2^6460389777 is an apocalyptic number.

It is an amenable number.

6460389777 is a deficient number, since it is larger than the sum of its proper divisors (2201586063).

6460389777 is a wasteful number, since it uses less digits than its factorization.

6460389777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12030703.

The product of its (nonzero) digits is 10668672, while the sum is 57.

The square root of 6460389777 is about 80376.5499197372. The cubic root of 6460389777 is about 1862.4569389741.

The spelling of 6460389777 in words is "six billion, four hundred sixty million, three hundred eighty-nine thousand, seven hundred seventy-seven".