648958068541 has 8 divisors (see below), whose sum is σ = 654749424000. Its totient is φ = 643167561792.

The previous prime is 648958068529. The next prime is 648958068547. The reversal of 648958068541 is 145860859846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 648958068541 - 2³⁵ = 614598330173 is a prime.

It is a super-2 number, since 2×648958068541² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648958068547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1376766 + ... + 1787008.

It is an arithmetic number, because the mean of its divisors is an integer number (81843678000).

Almost surely, 2^648958068541 is an apocalyptic number.

It is an amenable number.

648958068541 is a deficient number, since it is larger than the sum of its proper divisors (5791355459).

648958068541 is a wasteful number, since it uses less digits than its factorization.

648958068541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424355.

The product of its (nonzero) digits is 66355200, while the sum is 64.

The spelling of 648958068541 in words is "six hundred forty-eight billion, nine hundred fifty-eight million, sixty-eight thousand, five hundred forty-one".