10654053454621 has 4 divisors (see below), whose sum is σ = 10677366482332. Its totient is φ = 10630740426912.

The previous prime is 10654053454579. The next prime is 10654053454663. The reversal of 10654053454621 is 12645435045601.

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

It is an interprime number because it is at equal distance from previous prime (10654053454579) and next prime (10654053454663).

It can be written as a sum of positive squares in 2 ways, for example, as 7553235339225 + 3100818115396 = 2748315^2 + 1760914^2 .

It is a cyclic number.

It is not a de Polignac number, because 10654053454621 - 2¹⁹ = 10654052930333 is a prime.

It is a super-2 number, since 2×10654053454621² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10654053454691) 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, 11656513170 + ... + 11656514083.

It is an arithmetic number, because the mean of its divisors is an integer number (2669341620583).

Almost surely, 2^{10654053454621} is an apocalyptic number.

It is an amenable number.

10654053454621 is a deficient number, since it is larger than the sum of its proper divisors (23313027711).

10654053454621 is an equidigital number, since it uses as much as digits as its factorization.

10654053454621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23313027710.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 10654053454621 in words is "ten trillion, six hundred fifty-four billion, fifty-three million, four hundred fifty-four thousand, six hundred twenty-one".