64486937 has 2 divisors, whose sum is σ = 64486938. Its totient is φ = 64486936.

The previous prime is 64486921. The next prime is 64486949. The reversal of 64486937 is 73968446.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53304601 + 11182336 = 7301^2 + 3344^2 .

It is a cyclic number.

It is not a de Polignac number, because 64486937 - 2⁴ = 64486921 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 64486891 and 64486900.

It is not a weakly prime, because it can be changed into another prime (64486237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32243468 + 32243469.

It is an arithmetic number, because the mean of its divisors is an integer number (32243469).

Almost surely, 2^64486937 is an apocalyptic number.

It is an amenable number.

64486937 is a deficient number, since it is larger than the sum of its proper divisors (1).

64486937 is an equidigital number, since it uses as much as digits as its factorization.

64486937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 47.

The square root of 64486937 is about 8030.3758940662. The cubic root of 64486937 is about 401.0118901208.

The spelling of 64486937 in words is "sixty-four million, four hundred eighty-six thousand, nine hundred thirty-seven".