26373221868451 has 2 divisors, whose sum is σ = 26373221868452. Its totient is φ = 26373221868450.

The previous prime is 26373221868439. The next prime is 26373221868493. The reversal of 26373221868451 is 15486812237362.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26373221868451 - 2¹⁵ = 26373221835683 is a prime.

It is not a weakly prime, because it can be changed into another prime (26373221868751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13186610934225 + 13186610934226.

It is an arithmetic number, because the mean of its divisors is an integer number (13186610934226).

Almost surely, 2^{26373221868451} is an apocalyptic number.

26373221868451 is a deficient number, since it is larger than the sum of its proper divisors (1).

26373221868451 is an equidigital number, since it uses as much as digits as its factorization.

26373221868451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23224320, while the sum is 58.

The spelling of 26373221868451 in words is "twenty-six trillion, three hundred seventy-three billion, two hundred twenty-one million, eight hundred sixty-eight thousand, four hundred fifty-one".