1654490741 has 2 divisors, whose sum is σ = 1654490742. Its totient is φ = 1654490740.

The previous prime is 1654490713. The next prime is 1654490749. The reversal of 1654490741 is 1470944561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 848498641 + 805992100 = 29129^2 + 28390^2 .

It is a cyclic number.

It is not a de Polignac number, because 1654490741 - 2¹⁰ = 1654489717 is a prime.

It is a super-3 number, since 3×1654490741³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1654490749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827245370 + 827245371.

It is an arithmetic number, because the mean of its divisors is an integer number (827245371).

Almost surely, 2^1654490741 is an apocalyptic number.

It is an amenable number.

1654490741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1654490741 is an equidigital number, since it uses as much as digits as its factorization.

1654490741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1654490741 is about 40675.4316633518. The cubic root of 1654490741 is about 1182.7368106463.

The spelling of 1654490741 in words is "one billion, six hundred fifty-four million, four hundred ninety thousand, seven hundred forty-one".