65477837249 has 16 divisors (see below), whose sum is σ = 73811060160. Its totient is φ = 57561140160.

The previous prime is 65477837237. The next prime is 65477837263. The reversal of 65477837249 is 94273877456.

It is a cyclic number.

It is not a de Polignac number, because 65477837249 - 2⁴ = 65477837233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65477837191 and 65477837200.

It is not an unprimeable number, because it can be changed into a prime (65477837149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427154 + ... + 559835.

It is an arithmetic number, because the mean of its divisors is an integer number (4613191260).

Almost surely, 2^65477837249 is an apocalyptic number.

It is an amenable number.

65477837249 is a deficient number, since it is larger than the sum of its proper divisors (8333222911).

65477837249 is a wasteful number, since it uses less digits than its factorization.

65477837249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987200.

The product of its digits is 71124480, while the sum is 62.

The spelling of 65477837249 in words is "sixty-five billion, four hundred seventy-seven million, eight hundred thirty-seven thousand, two hundred forty-nine".