648922286073 has 4 divisors (see below), whose sum is σ = 865229714768. Its totient is φ = 432614857380.

The previous prime is 648922286069. The next prime is 648922286081. The reversal of 648922286073 is 370682229846.

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 not a de Polignac number, because 648922286073 - 2² = 648922286069 is a prime.

It is a super-2 number, since 2×648922286073² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (648922286053) 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, 108153714343 + ... + 108153714348.

It is an arithmetic number, because the mean of its divisors is an integer number (216307428692).

Almost surely, 2^648922286073 is an apocalyptic number.

It is an amenable number.

648922286073 is a deficient number, since it is larger than the sum of its proper divisors (216307428695).

648922286073 is a wasteful number, since it uses less digits than its factorization.

648922286073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216307428694.

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 648922286073 in words is "six hundred forty-eight billion, nine hundred twenty-two million, two hundred eighty-six thousand, seventy-three".