3400172693 has 2 divisors, whose sum is σ = 3400172694. Its totient is φ = 3400172692.

The previous prime is 3400172689. The next prime is 3400172729. The reversal of 3400172693 is 3962710043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2539454449 + 860718244 = 50393^2 + 29338^2 .

It is a cyclic number.

It is not a de Polignac number, because 3400172693 - 2² = 3400172689 is a prime.

It is a super-2 number, since 2×3400172693² = 23122348684445744498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3400172623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1700086346 + 1700086347.

It is an arithmetic number, because the mean of its divisors is an integer number (1700086347).

Almost surely, 2^3400172693 is an apocalyptic number.

It is an amenable number.

3400172693 is a deficient number, since it is larger than the sum of its proper divisors (1).

3400172693 is an equidigital number, since it uses as much as digits as its factorization.

3400172693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 3400172693 is about 58310.9997599081. Note that the first 3 decimals coincide. The cubic root of 3400172693 is about 1503.7200543554.

The spelling of 3400172693 in words is "three billion, four hundred million, one hundred seventy-two thousand, six hundred ninety-three".