1954076364349 has 2 divisors, whose sum is σ = 1954076364350. Its totient is φ = 1954076364348.

The previous prime is 1954076364311. The next prime is 1954076364389. The reversal of 1954076364349 is 9434636704591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1949634141849 + 4442222500 = 1396293^2 + 66650^2 .

It is a cyclic number.

It is not a de Polignac number, because 1954076364349 - 2¹⁹ = 1954075840061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1954076364389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 977038182174 + 977038182175.

It is an arithmetic number, because the mean of its divisors is an integer number (977038182175).

Almost surely, 2^{1954076364349} is an apocalyptic number.

It is an amenable number.

1954076364349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1954076364349 is an equidigital number, since it uses as much as digits as its factorization.

1954076364349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58786560, while the sum is 61.

The spelling of 1954076364349 in words is "one trillion, nine hundred fifty-four billion, seventy-six million, three hundred sixty-four thousand, three hundred forty-nine".