674652406837 has 2 divisors, whose sum is σ = 674652406838. Its totient is φ = 674652406836.

The previous prime is 674652406811. The next prime is 674652406861. The reversal of 674652406837 is 738604256476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 672992170321 + 1660236516 = 820361^2 + 40746^2 .

It is a cyclic number.

It is not a de Polignac number, because 674652406837 - 2¹⁹ = 674651882549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674652406807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337326203418 + 337326203419.

It is an arithmetic number, because the mean of its divisors is an integer number (337326203419).

Almost surely, 2^674652406837 is an apocalyptic number.

It is an amenable number.

674652406837 is a deficient number, since it is larger than the sum of its proper divisors (1).

674652406837 is an equidigital number, since it uses as much as digits as its factorization.

674652406837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40642560, while the sum is 58.

The spelling of 674652406837 in words is "six hundred seventy-four billion, six hundred fifty-two million, four hundred six thousand, eight hundred thirty-seven".