37973141449 has 4 divisors (see below), whose sum is σ = 38038953364. Its totient is φ = 37907329536.

The previous prime is 37973141431. The next prime is 37973141461. The reversal of 37973141449 is 94414137973.

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 34841955600 + 3131185849 = 186660^2 + 55957^2 .

It is a cyclic number.

It is not a de Polignac number, because 37973141449 - 2¹¹ = 37973139401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 37973141396 and 37973141405.

It is not an unprimeable number, because it can be changed into a prime (37973141419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32905092 + ... + 32906245.

It is an arithmetic number, because the mean of its divisors is an integer number (9509738341).

Almost surely, 2^37973141449 is an apocalyptic number.

It is an amenable number.

37973141449 is a deficient number, since it is larger than the sum of its proper divisors (65811915).

37973141449 is an equidigital number, since it uses as much as digits as its factorization.

37973141449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65811914.

The product of its digits is 2286144, while the sum is 52.

The spelling of 37973141449 in words is "thirty-seven billion, nine hundred seventy-three million, one hundred forty-one thousand, four hundred forty-nine".