65436550007 has 2 divisors, whose sum is σ = 65436550008. Its totient is φ = 65436550006.

The previous prime is 65436549977. The next prime is 65436550009. The reversal of 65436550007 is 70005563456.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65436550007 is a prime.

It is a super-2 number, since 2×65436550007² (a number of 22 digits) contains 22 as substring.

Together with 65436550009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65436550009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32718275003 + 32718275004.

It is an arithmetic number, because the mean of its divisors is an integer number (32718275004).

Almost surely, 2^65436550007 is an apocalyptic number.

65436550007 is a deficient number, since it is larger than the sum of its proper divisors (1).

65436550007 is an equidigital number, since it uses as much as digits as its factorization.

65436550007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378000, while the sum is 41.

The spelling of 65436550007 in words is "sixty-five billion, four hundred thirty-six million, five hundred fifty thousand, seven".