1654496429 has 4 divisors (see below), whose sum is σ = 1711548060. Its totient is φ = 1597444800.

The previous prime is 1654496413. The next prime is 1654496449. The reversal of 1654496429 is 9246944561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9246944561 = 92717 ⋅99733.

It can be written as a sum of positive squares in 2 ways, for example, as 859369225 + 795127204 = 29315^2 + 28198^2 .

It is a cyclic number.

It is not a de Polignac number, because 1654496429 - 2⁴ = 1654496413 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 (1654496449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28525772 + ... + 28525829.

It is an arithmetic number, because the mean of its divisors is an integer number (427887015).

Almost surely, 2^1654496429 is an apocalyptic number.

It is an amenable number.

1654496429 is a deficient number, since it is larger than the sum of its proper divisors (57051631).

1654496429 is an equidigital number, since it uses as much as digits as its factorization.

1654496429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57051630.

The product of its digits is 1866240, while the sum is 50.

The square root of 1654496429 is about 40675.5015826480. The cubic root of 1654496429 is about 1182.7381660280.

The spelling of 1654496429 in words is "one billion, six hundred fifty-four million, four hundred ninety-six thousand, four hundred twenty-nine".