654973641903 has 32 divisors (see below), whose sum is σ = 1004816710656. Its totient is φ = 371741465088.

The previous prime is 654973641901. The next prime is 654973641943. The reversal of 654973641903 is 309146379456.

It is not a de Polignac number, because 654973641903 - 2¹ = 654973641901 is a prime.

It is a super-2 number, since 2×654973641903² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654973641901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2319750 + ... + 2586732.

It is an arithmetic number, because the mean of its divisors is an integer number (31400522208).

Almost surely, 2^654973641903 is an apocalyptic number.

654973641903 is a deficient number, since it is larger than the sum of its proper divisors (349843068753).

654973641903 is a wasteful number, since it uses less digits than its factorization.

654973641903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267783.

The product of its (nonzero) digits is 14696640, while the sum is 57.

The spelling of 654973641903 in words is "six hundred fifty-four billion, nine hundred seventy-three million, six hundred forty-one thousand, nine hundred three".