653954460791 has 12 divisors (see below), whose sum is σ = 668779461000. Its totient is φ = 639286091280.

The previous prime is 653954460767. The next prime is 653954460811. The reversal of 653954460791 is 197064459356.

It is not a de Polignac number, because 653954460791 - 2⁶ = 653954460727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 653954460791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653954480791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1418960 + ... + 1822458.

It is an arithmetic number, because the mean of its divisors is an integer number (55731621750).

Almost surely, 2^653954460791 is an apocalyptic number.

653954460791 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

653954460791 is a deficient number, since it is larger than the sum of its proper divisors (14825000209).

653954460791 is an equidigital number, since it uses as much as digits as its factorization.

653954460791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403886 (or 403723 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 59.

The spelling of 653954460791 in words is "six hundred fifty-three billion, nine hundred fifty-four million, four hundred sixty thousand, seven hundred ninety-one".