6900988584493 has 2 divisors, whose sum is σ = 6900988584494. Its totient is φ = 6900988584492.

The previous prime is 6900988584437. The next prime is 6900988584517. The reversal of 6900988584493 is 3944858890096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3549991076164 + 3350997508329 = 1884142^2 + 1830573^2 .

It is a cyclic number.

It is not a de Polignac number, because 6900988584493 - 2¹³ = 6900988576301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6900988584793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3450494292246 + 3450494292247.

It is an arithmetic number, because the mean of its divisors is an integer number (3450494292247).

Almost surely, 2^{6900988584493} is an apocalyptic number.

It is an amenable number.

6900988584493 is a deficient number, since it is larger than the sum of its proper divisors (1).

6900988584493 is an equidigital number, since it uses as much as digits as its factorization.

6900988584493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 537477120, while the sum is 73.

The spelling of 6900988584493 in words is "six trillion, nine hundred billion, nine hundred eighty-eight million, five hundred eighty-four thousand, four hundred ninety-three".