674687342501 has 2 divisors, whose sum is σ = 674687342502. Its totient is φ = 674687342500.

The previous prime is 674687342477. The next prime is 674687342503. The reversal of 674687342501 is 105243786476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 622404233476 + 52283109025 = 788926^2 + 228655^2 .

It is a cyclic number.

It is not a de Polignac number, because 674687342501 - 2¹⁸ = 674687080357 is a prime.

Together with 674687342503, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674687342503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337343671250 + 337343671251.

It is an arithmetic number, because the mean of its divisors is an integer number (337343671251).

Almost surely, 2^674687342501 is an apocalyptic number.

It is an amenable number.

674687342501 is a deficient number, since it is larger than the sum of its proper divisors (1).

674687342501 is an equidigital number, since it uses as much as digits as its factorization.

674687342501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 674687342501 in words is "six hundred seventy-four billion, six hundred eighty-seven million, three hundred forty-two thousand, five hundred one".