2661406435 has 8 divisors (see below), whose sum is σ = 3202737120. Its totient is φ = 2123092224.

The previous prime is 2661406421. The next prime is 2661406441. The reversal of 2661406435 is 5346041662.

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 2661406435 - 2⁵ = 2661406403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2661406394 and 2661406403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752175 + ... + 755704.

It is an arithmetic number, because the mean of its divisors is an integer number (400342140).

Almost surely, 2^2661406435 is an apocalyptic number.

2661406435 is a deficient number, since it is larger than the sum of its proper divisors (541330685).

2661406435 is a wasteful number, since it uses less digits than its factorization.

2661406435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508237.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 2661406435 is about 51588.8208335876. The cubic root of 2661406435 is about 1385.8101382688.

The spelling of 2661406435 in words is "two billion, six hundred sixty-one million, four hundred six thousand, four hundred thirty-five".