1973894941 has 8 divisors (see below), whose sum is σ = 1982200760. Its totient is φ = 1965606912.

The previous prime is 1973894917. The next prime is 1973894963. The reversal of 1973894941 is 1494983791.

It can be written as a sum of positive squares in 4 ways, for example, as 2090916 + 1971804025 = 1446^2 + 44405^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1973894941 - 2¹⁵ = 1973862173 is a prime.

It is a super-2 number, since 2×1973894941² = 7792522476210786962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1973895941) 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, 246781 + ... + 254653.

It is an arithmetic number, because the mean of its divisors is an integer number (247775095).

Almost surely, 2^1973894941 is an apocalyptic number.

It is an amenable number.

1973894941 is a deficient number, since it is larger than the sum of its proper divisors (8305819).

1973894941 is an equidigital number, since it uses as much as digits as its factorization.

1973894941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8895.

The product of its digits is 1959552, while the sum is 55.

The square root of 1973894941 is about 44428.5374618612. The cubic root of 1973894941 is about 1254.4153064390.

The spelling of 1973894941 in words is "one billion, nine hundred seventy-three million, eight hundred ninety-four thousand, nine hundred forty-one".