62809379971 has 4 divisors (see below), whose sum is σ = 67640870752. Its totient is φ = 57977889192.

The previous prime is 62809379959. The next prime is 62809380001. The reversal of 62809379971 is 17997390826.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17997390826 = 2 ⋅8998695413.

It is a cyclic number.

It is not a de Polignac number, because 62809379971 - 2⁵ = 62809379939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (62809379921) 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, 2415745371 + ... + 2415745396.

It is an arithmetic number, because the mean of its divisors is an integer number (16910217688).

Almost surely, 2^62809379971 is an apocalyptic number.

62809379971 is a deficient number, since it is larger than the sum of its proper divisors (4831490781).

62809379971 is a wasteful number, since it uses less digits than its factorization.

62809379971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831490780.

The product of its (nonzero) digits is 10287648, while the sum is 61.

The spelling of 62809379971 in words is "sixty-two billion, eight hundred nine million, three hundred seventy-nine thousand, nine hundred seventy-one".