64380611 has 4 divisors (see below), whose sum is σ = 67179792. Its totient is φ = 61581432.

The previous prime is 64380601. The next prime is 64380653. The reversal of 64380611 is 11608346.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11608346 = 2 ⋅5804173.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64380611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64380601) 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, 1399556 + ... + 1399601.

It is an arithmetic number, because the mean of its divisors is an integer number (16794948).

Almost surely, 2^64380611 is an apocalyptic number.

64380611 is a deficient number, since it is larger than the sum of its proper divisors (2799181).

64380611 is a wasteful number, since it uses less digits than its factorization.

64380611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799180.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 64380611 is about 8023.7529249099. The cubic root of 64380611 is about 400.7913728732.

Adding to 64380611 its reverse (11608346), we get a palindrome (75988957).

The spelling of 64380611 in words is "sixty-four million, three hundred eighty thousand, six hundred eleven".