1973149355 has 8 divisors (see below), whose sum is σ = 2368122864. Its totient is φ = 1578290400.

The previous prime is 1973149351. The next prime is 1973149361. The reversal of 1973149355 is 5539413791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1973149355 - 2² = 1973149351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1973149351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15425 + ... + 64685.

It is an arithmetic number, because the mean of its divisors is an integer number (296015358).

Almost surely, 2^1973149355 is an apocalyptic number.

1973149355 is a deficient number, since it is larger than the sum of its proper divisors (394973509).

1973149355 is an equidigital number, since it uses as much as digits as its factorization.

1973149355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57277.

The product of its digits is 510300, while the sum is 47.

The square root of 1973149355 is about 44420.1458237138. The cubic root of 1973149355 is about 1254.2573459427.

The spelling of 1973149355 in words is "one billion, nine hundred seventy-three million, one hundred forty-nine thousand, three hundred fifty-five".