37640430379 has 4 divisors (see below), whose sum is σ = 37915178184. Its totient is φ = 37365682576.

The previous prime is 37640430349. The next prime is 37640430403. The reversal of 37640430379 is 97303404673.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97303404673 = 17257 ⋅5638489.

It is a cyclic number.

It is not a de Polignac number, because 37640430379 - 2¹³ = 37640422187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37640430319) 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, 137373697 + ... + 137373970.

It is an arithmetic number, because the mean of its divisors is an integer number (9478794546).

Almost surely, 2^37640430379 is an apocalyptic number.

37640430379 is a deficient number, since it is larger than the sum of its proper divisors (274747805).

37640430379 is a wasteful number, since it uses less digits than its factorization.

37640430379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274747804.

The product of its (nonzero) digits is 1143072, while the sum is 46.

The spelling of 37640430379 in words is "thirty-seven billion, six hundred forty million, four hundred thirty thousand, three hundred seventy-nine".