2021440062651 has 8 divisors (see below), whose sum is σ = 2711788714560. Its totient is φ = 1339359059592.

The previous prime is 2021440062581. The next prime is 2021440062689. The reversal of 2021440062651 is 1562600441202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2021440062651 - 2¹⁷ = 2021439931579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021440062751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2066911641 + ... + 2066912618.

It is an arithmetic number, because the mean of its divisors is an integer number (338973589320).

Almost surely, 2^{2021440062651} is an apocalyptic number.

2021440062651 is a deficient number, since it is larger than the sum of its proper divisors (690348651909).

2021440062651 is a wasteful number, since it uses less digits than its factorization.

2021440062651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133824425.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 2021440062651 in words is "two trillion, twenty-one billion, four hundred forty million, sixty-two thousand, six hundred fifty-one".