153728693 has 2 divisors, whose sum is σ = 153728694. Its totient is φ = 153728692.

The previous prime is 153728683. The next prime is 153728717. The reversal of 153728693 is 396827351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92294449 + 61434244 = 9607^2 + 7838^2 .

It is a cyclic number.

It is not a de Polignac number, because 153728693 - 2¹⁴ = 153712309 is a prime.

It is a super-2 number, since 2×153728693² = 47265022102976498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153728683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76864346 + 76864347.

It is an arithmetic number, because the mean of its divisors is an integer number (76864347).

Almost surely, 2^153728693 is an apocalyptic number.

It is an amenable number.

153728693 is a deficient number, since it is larger than the sum of its proper divisors (1).

153728693 is an equidigital number, since it uses as much as digits as its factorization.

153728693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 153728693 is about 12398.7375567031. The cubic root of 153728693 is about 535.6958866028.

The spelling of 153728693 in words is "one hundred fifty-three million, seven hundred twenty-eight thousand, six hundred ninety-three".