64087471963 has 2 divisors, whose sum is σ = 64087471964. Its totient is φ = 64087471962.

The previous prime is 64087471957. The next prime is 64087471997. The reversal of 64087471963 is 36917478046.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64087471963 is a prime.

It is a super-2 number, since 2×64087471963² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64087411963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32043735981 + 32043735982.

It is an arithmetic number, because the mean of its divisors is an integer number (32043735982).

Almost surely, 2^64087471963 is an apocalyptic number.

64087471963 is a deficient number, since it is larger than the sum of its proper divisors (1).

64087471963 is an equidigital number, since it uses as much as digits as its factorization.

64087471963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 64087471963 in words is "sixty-four billion, eighty-seven million, four hundred seventy-one thousand, nine hundred sixty-three".