6467739085 has 16 divisors (see below), whose sum is σ = 7870521600. Its totient is φ = 5101551936.

The previous prime is 6467739079. The next prime is 6467739101. The reversal of 6467739085 is 5809377646.

6467739085 = T₅₀₈₆₁ + T₅₀₈₆₂ + ... + T₅₀₈₆₅.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6467739085 - 2¹¹ = 6467737037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280827 + ... + 302983.

It is an arithmetic number, because the mean of its divisors is an integer number (491907600).

Almost surely, 2^6467739085 is an apocalyptic number.

It is an amenable number.

6467739085 is a deficient number, since it is larger than the sum of its proper divisors (1402782515).

6467739085 is a wasteful number, since it uses less digits than its factorization.

6467739085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22980.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The square root of 6467739085 is about 80422.2549111874. The cubic root of 6467739085 is about 1863.1629119908.

The spelling of 6467739085 in words is "six billion, four hundred sixty-seven million, seven hundred thirty-nine thousand, eighty-five".