654246403157 has 4 divisors (see below), whose sum is σ = 654887193996. Its totient is φ = 653605612320.

The previous prime is 654246403091. The next prime is 654246403159. The reversal of 654246403157 is 751304642456.

654246403157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 471191636356 + 183054766801 = 686434^2 + 427849^2 .

It is a cyclic number.

It is not a de Polignac number, because 654246403157 - 2²⁴ = 654229625941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654246403159) 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, 320393888 + ... + 320395929.

It is an arithmetic number, because the mean of its divisors is an integer number (163721798499).

Almost surely, 2^654246403157 is an apocalyptic number.

It is an amenable number.

654246403157 is a deficient number, since it is larger than the sum of its proper divisors (640790839).

654246403157 is a wasteful number, since it uses less digits than its factorization.

654246403157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640790838.

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 654246403157 in words is "six hundred fifty-four billion, two hundred forty-six million, four hundred three thousand, one hundred fifty-seven".