1045654600621 has 16 divisors (see below), whose sum is σ = 1069007284800. Its totient is φ = 1022637018240.

The previous prime is 1045654600609. The next prime is 1045654600631. The reversal of 1045654600621 is 1260064565401.

It is a cyclic number.

It is not a de Polignac number, because 1045654600621 - 2⁵ = 1045654600589 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 (1045654600631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2456230 + ... + 2850328.

It is an arithmetic number, because the mean of its divisors is an integer number (66812955300).

Almost surely, 2^{1045654600621} is an apocalyptic number.

It is an amenable number.

1045654600621 is a deficient number, since it is larger than the sum of its proper divisors (23352684179).

1045654600621 is a wasteful number, since it uses less digits than its factorization.

1045654600621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394524.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 1045654600621 in words is "one trillion, forty-five billion, six hundred fifty-four million, six hundred thousand, six hundred twenty-one".