4899864123551 has 2 divisors, whose sum is σ = 4899864123552. Its totient is φ = 4899864123550.

The previous prime is 4899864123523. The next prime is 4899864123559. The reversal of 4899864123551 is 1553214689984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4899864123551 - 2¹⁴ = 4899864107167 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4899864123559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2449932061775 + 2449932061776.

It is an arithmetic number, because the mean of its divisors is an integer number (2449932061776).

Almost surely, 2^{4899864123551} is an apocalyptic number.

4899864123551 is a deficient number, since it is larger than the sum of its proper divisors (1).

4899864123551 is an equidigital number, since it uses as much as digits as its factorization.

4899864123551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74649600, while the sum is 65.

The spelling of 4899864123551 in words is "four trillion, eight hundred ninety-nine billion, eight hundred sixty-four million, one hundred twenty-three thousand, five hundred fifty-one".