64793011 has 4 divisors (see below), whose sum is σ = 64813312. Its totient is φ = 64772712.

The previous prime is 64793009. The next prime is 64793017. The reversal of 64793011 is 11039746.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64793011 - 2¹ = 64793009 is a prime.

It is a super-2 number, since 2×64793011² = 8396268548892242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64793017) 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, 4200 + ... + 12133.

It is an arithmetic number, because the mean of its divisors is an integer number (16203328).

Almost surely, 2^64793011 is an apocalyptic number.

64793011 is a deficient number, since it is larger than the sum of its proper divisors (20301).

64793011 is a wasteful number, since it uses less digits than its factorization.

64793011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20300.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 64793011 is about 8049.4105995408. The cubic root of 64793011 is about 401.6453292002.

The spelling of 64793011 in words is "sixty-four million, seven hundred ninety-three thousand, eleven".