61379589271 has 48 divisors (see below), whose sum is σ = 83956430880. Its totient is φ = 44110725120.

The previous prime is 61379589217. The next prime is 61379589277. The reversal of 61379589271 is 17298597316.

It is not a de Polignac number, because 61379589271 - 2⁷ = 61379589143 is a prime.

It is a super-3 number, since 3×61379589271³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61379589277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9869755 + ... + 9875971.

It is an arithmetic number, because the mean of its divisors is an integer number (1749092310).

Almost surely, 2^61379589271 is an apocalyptic number.

61379589271 is a deficient number, since it is larger than the sum of its proper divisors (22576841609).

61379589271 is a wasteful number, since it uses less digits than its factorization.

61379589271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7664 (or 7657 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 58.

The spelling of 61379589271 in words is "sixty-one billion, three hundred seventy-nine million, five hundred eighty-nine thousand, two hundred seventy-one".