5661014691 has 4 divisors (see below), whose sum is σ = 7548019592. Its totient is φ = 3774009792.

The previous prime is 5661014677. The next prime is 5661014699. The reversal of 5661014691 is 1964101665.

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

It is not a de Polignac number, because 5661014691 - 2¹⁴ = 5660998307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5661014699) 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, 943502446 + ... + 943502451.

It is an arithmetic number, because the mean of its divisors is an integer number (1887004898).

Almost surely, 2^5661014691 is an apocalyptic number.

5661014691 is a deficient number, since it is larger than the sum of its proper divisors (1887004901).

5661014691 is a wasteful number, since it uses less digits than its factorization.

5661014691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887004900.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 5661014691 is about 75239.7148519318. The cubic root of 5661014691 is about 1782.2341482215.

The spelling of 5661014691 in words is "five billion, six hundred sixty-one million, fourteen thousand, six hundred ninety-one".