671272680119 has 2 divisors, whose sum is σ = 671272680120. Its totient is φ = 671272680118.

The previous prime is 671272680073. The next prime is 671272680149. The reversal of 671272680119 is 911086272176.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-671272680119 is a prime.

It is a super-2 number, since 2×671272680119² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671272680149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335636340059 + 335636340060.

It is an arithmetic number, because the mean of its divisors is an integer number (335636340060).

Almost surely, 2^671272680119 is an apocalyptic number.

671272680119 is a deficient number, since it is larger than the sum of its proper divisors (1).

671272680119 is an equidigital number, since it uses as much as digits as its factorization.

671272680119 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 50.

The spelling of 671272680119 in words is "six hundred seventy-one billion, two hundred seventy-two million, six hundred eighty thousand, one hundred nineteen".