37634521670243 has 4 divisors (see below), whose sum is σ = 37909226208120. Its totient is φ = 37359817132368.

The previous prime is 37634521670209. The next prime is 37634521670257. The reversal of 37634521670243 is 34207612543673.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 37634521670243 - 2¹⁶ = 37634521604707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37634521690243) 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, 137352268733 + ... + 137352269006.

It is an arithmetic number, because the mean of its divisors is an integer number (9477306552030).

Almost surely, 2^{37634521670243} is an apocalyptic number.

37634521670243 is a deficient number, since it is larger than the sum of its proper divisors (274704537877).

37634521670243 is a wasteful number, since it uses less digits than its factorization.

37634521670243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274704537876.

The product of its (nonzero) digits is 15240960, while the sum is 53.

The spelling of 37634521670243 in words is "thirty-seven trillion, six hundred thirty-four billion, five hundred twenty-one million, six hundred seventy thousand, two hundred forty-three".