1953749029 has 2 divisors, whose sum is σ = 1953749030. Its totient is φ = 1953749028.

The previous prime is 1953749023. The next prime is 1953749047. The reversal of 1953749029 is 9209473591.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1541740225 + 412008804 = 39265^2 + 20298^2 .

It is an emirp because it is prime and its reverse (9209473591) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1953749029 - 2¹⁷ = 1953617957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1953749023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 976874514 + 976874515.

It is an arithmetic number, because the mean of its divisors is an integer number (976874515).

Almost surely, 2^1953749029 is an apocalyptic number.

It is an amenable number.

1953749029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1953749029 is an equidigital number, since it uses as much as digits as its factorization.

1953749029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 49.

The square root of 1953749029 is about 44201.2333425211. The cubic root of 1953749029 is about 1250.1331120111.

The spelling of 1953749029 in words is "one billion, nine hundred fifty-three million, seven hundred forty-nine thousand, twenty-nine".