1670441629 has 6 divisors (see below), whose sum is σ = 1698150426. Its totient is φ = 1642743360.

The previous prime is 1670441599. The next prime is 1670441671. The reversal of 1670441629 is 9261440761.

It can be written as a sum of positive squares in 3 ways, for example, as 664092900 + 1006348729 = 25770^2 + 31723^2 .

It is not a de Polignac number, because 1670441629 - 2⁷ = 1670441501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1670441591 and 1670441600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1670448629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 316597 + ... + 321829.

It is an arithmetic number, because the mean of its divisors is an integer number (283025071).

Almost surely, 2^1670441629 is an apocalyptic number.

It is an amenable number.

1670441629 is a deficient number, since it is larger than the sum of its proper divisors (27708797).

1670441629 is an frugal number, since it uses more digits than its factorization.

1670441629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10527 (or 5294 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1670441629 is about 40871.0365540195. The cubic root of 1670441629 is about 1186.5255690698.

The spelling of 1670441629 in words is "one billion, six hundred seventy million, four hundred forty-one thousand, six hundred twenty-nine".