1868870605451 has 2 divisors, whose sum is σ = 1868870605452. Its totient is φ = 1868870605450.

The previous prime is 1868870605439. The next prime is 1868870605457. The reversal of 1868870605451 is 1545060788681.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1868870605451 - 2³⁰ = 1867796863627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1868870605457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 934435302725 + 934435302726.

It is an arithmetic number, because the mean of its divisors is an integer number (934435302726).

Almost surely, 2^{1868870605451} is an apocalyptic number.

1868870605451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1868870605451 is an equidigital number, since it uses as much as digits as its factorization.

1868870605451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12902400, while the sum is 59.

The spelling of 1868870605451 in words is "one trillion, eight hundred sixty-eight billion, eight hundred seventy million, six hundred five thousand, four hundred fifty-one".