699680153 has 2 divisors, whose sum is σ = 699680154. Its totient is φ = 699680152.

The previous prime is 699680141. The next prime is 699680173. The reversal of 699680153 is 351086996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 606981769 + 92698384 = 24637^2 + 9628^2 .

It is a cyclic number.

It is not a de Polignac number, because 699680153 - 2⁶ = 699680089 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 699680098 and 699680107.

It is not a weakly prime, because it can be changed into another prime (699680173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349840076 + 349840077.

It is an arithmetic number, because the mean of its divisors is an integer number (349840077).

Almost surely, 2^699680153 is an apocalyptic number.

It is an amenable number.

699680153 is a deficient number, since it is larger than the sum of its proper divisors (1).

699680153 is an equidigital number, since it uses as much as digits as its factorization.

699680153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 699680153 is about 26451.4678798739. The cubic root of 699680153 is about 887.7687461727.

The spelling of 699680153 in words is "six hundred ninety-nine million, six hundred eighty thousand, one hundred fifty-three".