670237187069 has 2 divisors, whose sum is σ = 670237187070. Its totient is φ = 670237187068.

The previous prime is 670237187023. The next prime is 670237187093. The reversal of 670237187069 is 960781732076.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428357160100 + 241880026969 = 654490^2 + 491813^2 .

It is a cyclic number.

It is not a de Polignac number, because 670237187069 - 2¹² = 670237182973 is a prime.

It is a super-2 number, since 2×670237187069² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670237187099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335118593534 + 335118593535.

It is an arithmetic number, because the mean of its divisors is an integer number (335118593535).

Almost surely, 2^670237187069 is an apocalyptic number.

It is an amenable number.

670237187069 is a deficient number, since it is larger than the sum of its proper divisors (1).

670237187069 is an equidigital number, since it uses as much as digits as its factorization.

670237187069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 56.

The spelling of 670237187069 in words is "six hundred seventy billion, two hundred thirty-seven million, one hundred eighty-seven thousand, sixty-nine".