61926231671 has 4 divisors (see below), whose sum is σ = 64061619000. Its totient is φ = 59790844344.

The previous prime is 61926231649. The next prime is 61926231677. The reversal of 61926231671 is 17613262916.

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 61926231671 - 2¹⁰ = 61926230647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61926231677) 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, 1067693621 + ... + 1067693678.

It is an arithmetic number, because the mean of its divisors is an integer number (16015404750).

Almost surely, 2^61926231671 is an apocalyptic number.

61926231671 is a deficient number, since it is larger than the sum of its proper divisors (2135387329).

61926231671 is a wasteful number, since it uses less digits than its factorization.

61926231671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135387328.

The product of its digits is 163296, while the sum is 44.

The spelling of 61926231671 in words is "sixty-one billion, nine hundred twenty-six million, two hundred thirty-one thousand, six hundred seventy-one".