65450833541 has 4 divisors (see below), whose sum is σ = 67562150784. Its totient is φ = 63339516300.

The previous prime is 65450833489. The next prime is 65450833573. The reversal of 65450833541 is 14533805456.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65450833541 - 2¹⁸ = 65450571397 is a prime.

It is a super-2 number, since 2×65450833541² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65450833492 and 65450833501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65450823541) 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, 1055658575 + ... + 1055658636.

It is an arithmetic number, because the mean of its divisors is an integer number (16890537696).

Almost surely, 2^65450833541 is an apocalyptic number.

It is an amenable number.

65450833541 is a deficient number, since it is larger than the sum of its proper divisors (2111317243).

65450833541 is a wasteful number, since it uses less digits than its factorization.

65450833541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111317242.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 65450833541 in words is "sixty-five billion, four hundred fifty million, eight hundred thirty-three thousand, five hundred forty-one".