37542984821 has 8 divisors (see below), whose sum is σ = 38062251864. Its totient is φ = 37026611200.

The previous prime is 37542984761. The next prime is 37542984859. The reversal of 37542984821 is 12848924573.

It can be written as a sum of positive squares in 4 ways, for example, as 34497490225 + 3045494596 = 185735^2 + 55186^2 .

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 37542984821 - 2¹⁸ = 37542722677 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 (37542984121) 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, 697220 + ... + 749133.

It is an arithmetic number, because the mean of its divisors is an integer number (4757781483).

Almost surely, 2^37542984821 is an apocalyptic number.

It is an amenable number.

37542984821 is a deficient number, since it is larger than the sum of its proper divisors (519267043).

37542984821 is a wasteful number, since it uses less digits than its factorization.

37542984821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446711.

The product of its digits is 3870720, while the sum is 53.

The spelling of 37542984821 in words is "thirty-seven billion, five hundred forty-two million, nine hundred eighty-four thousand, eight hundred twenty-one".