65480372641 has 4 divisors (see below), whose sum is σ = 65636650800. Its totient is φ = 65324094484.

The previous prime is 65480372603. The next prime is 65480372653. The reversal of 65480372641 is 14627308456.

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 65480372641 - 2²⁵ = 65446818209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 65480372591 and 65480372600.

It is not an unprimeable number, because it can be changed into a prime (65480372141) 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, 78138451 + ... + 78139288.

It is an arithmetic number, because the mean of its divisors is an integer number (16409162700).

Almost surely, 2^65480372641 is an apocalyptic number.

It is an amenable number.

65480372641 is a deficient number, since it is larger than the sum of its proper divisors (156278159).

65480372641 is a wasteful number, since it uses less digits than its factorization.

65480372641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156278158.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 65480372641 in words is "sixty-five billion, four hundred eighty million, three hundred seventy-two thousand, six hundred forty-one".