2634669685 has 8 divisors (see below), whose sum is σ = 3163267800. Its totient is φ = 2106626304.

The previous prime is 2634669677. The next prime is 2634669689. The reversal of 2634669685 is 5869664362.

It can be written as a sum of positive squares in 4 ways, for example, as 774731556 + 1859938129 = 27834^2 + 43127^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2634669685 - 2³ = 2634669677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2634669689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128160 + ... + 147289.

It is an arithmetic number, because the mean of its divisors is an integer number (395408475).

Almost surely, 2^2634669685 is an apocalyptic number.

It is an amenable number.

2634669685 is a deficient number, since it is larger than the sum of its proper divisors (528598115).

2634669685 is a wasteful number, since it uses less digits than its factorization.

2634669685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277367.

The product of its digits is 11197440, while the sum is 55.

The square root of 2634669685 is about 51329.0335482756. The cubic root of 2634669685 is about 1381.1538492613.

The spelling of 2634669685 in words is "two billion, six hundred thirty-four million, six hundred sixty-nine thousand, six hundred eighty-five".