2026421565623 has 8 divisors (see below), whose sum is σ = 2494057311648. Its totient is φ = 1603322557344.

The previous prime is 2026421565607. The next prime is 2026421565653. The reversal of 2026421565623 is 3265651246202.

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

It is a cyclic number.

It is not a de Polignac number, because 2026421565623 - 2⁴ = 2026421565607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2026421565653) 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, 11134184336 + ... + 11134184517.

It is an arithmetic number, because the mean of its divisors is an integer number (311757163956).

Almost surely, 2^{2026421565623} is an apocalyptic number.

2026421565623 is a deficient number, since it is larger than the sum of its proper divisors (467635746025).

2026421565623 is a wasteful number, since it uses less digits than its factorization.

2026421565623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22268368873.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 2026421565623 in words is "two trillion, twenty-six billion, four hundred twenty-one million, five hundred sixty-five thousand, six hundred twenty-three".