354636845377 has 2 divisors, whose sum is σ = 354636845378. Its totient is φ = 354636845376.

The previous prime is 354636845357. The next prime is 354636845389. The reversal of 354636845377 is 773548636453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303643979521 + 50992865856 = 551039^2 + 225816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354636845377 is a prime.

It is not a weakly prime, because it can be changed into another prime (354636845327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177318422688 + 177318422689.

It is an arithmetic number, because the mean of its divisors is an integer number (177318422689).

Almost surely, 2^354636845377 is an apocalyptic number.

It is an amenable number.

354636845377 is a deficient number, since it is larger than the sum of its proper divisors (1).

354636845377 is an equidigital number, since it uses as much as digits as its factorization.

354636845377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 152409600, while the sum is 61.

The spelling of 354636845377 in words is "three hundred fifty-four billion, six hundred thirty-six million, eight hundred forty-five thousand, three hundred seventy-seven".