3142660691 has 4 divisors (see below), whose sum is σ = 3145445400. Its totient is φ = 3139875984.

The previous prime is 3142660669. The next prime is 3142660709. The reversal of 3142660691 is 1960662413.

3142660691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3142660691 - 2²⁶ = 3075551827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3142360691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1390661 + ... + 1392918.

It is an arithmetic number, because the mean of its divisors is an integer number (786361350).

Almost surely, 2^3142660691 is an apocalyptic number.

3142660691 is a deficient number, since it is larger than the sum of its proper divisors (2784709).

3142660691 is a wasteful number, since it uses less digits than its factorization.

3142660691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784708.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 3142660691 is about 56059.4389108560. The cubic root of 3142660691 is about 1464.7578396618.

The spelling of 3142660691 in words is "three billion, one hundred forty-two million, six hundred sixty thousand, six hundred ninety-one".