373730917493 has 4 divisors (see below), whose sum is σ = 386618190540. Its totient is φ = 360843644448.

The previous prime is 373730917487. The next prime is 373730917501. The reversal of 373730917493 is 394719037373.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 122932280689 + 250798636804 = 350617^2 + 500798^2 .

It is a cyclic number.

It is not a de Polignac number, because 373730917493 - 2¹² = 373730913397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (373730917433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6443636480 + ... + 6443636537.

It is an arithmetic number, because the mean of its divisors is an integer number (96654547635).

Almost surely, 2^373730917493 is an apocalyptic number.

It is an amenable number.

373730917493 is a deficient number, since it is larger than the sum of its proper divisors (12887273047).

373730917493 is a wasteful number, since it uses less digits than its factorization.

373730917493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12887273046.

The product of its (nonzero) digits is 9001692, while the sum is 56.

The spelling of 373730917493 in words is "three hundred seventy-three billion, seven hundred thirty million, nine hundred seventeen thousand, four hundred ninety-three".