3498988573081 has 2 divisors, whose sum is σ = 3498988573082. Its totient is φ = 3498988573080.

The previous prime is 3498988573051. The next prime is 3498988573147. The reversal of 3498988573081 is 1803758898943.

3498988573081 = 1322684² + 1322685².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1749495609225 + 1749492963856 = 1322685^2 + 1322684^2 .

It is a cyclic number.

It is not a de Polignac number, because 3498988573081 - 2¹⁷ = 3498988442009 is a prime.

It is a super-2 number, since 2×3498988573081² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3498988572995 and 3498988573013.

It is not a weakly prime, because it can be changed into another prime (3498988573021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1749494286540 + 1749494286541.

It is an arithmetic number, because the mean of its divisors is an integer number (1749494286541).

Almost surely, 2^{3498988573081} is an apocalyptic number.

3498988573081 is the 1322685-th centered square number and also the 999856-th centered heptagonal number.

It is an amenable number.

3498988573081 is a deficient number, since it is larger than the sum of its proper divisors (1).

3498988573081 is an equidigital number, since it uses as much as digits as its factorization.

3498988573081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 418037760, while the sum is 73.

The spelling of 3498988573081 in words is "three trillion, four hundred ninety-eight billion, nine hundred eighty-eight million, five hundred seventy-three thousand, eighty-one".