37894669853 has 4 divisors (see below), whose sum is σ = 37895111100. Its totient is φ = 37894228608.

The previous prime is 37894669849. The next prime is 37894669861. The reversal of 37894669853 is 35896649873.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 8385614329 + 29509055524 = 91573^2 + 171782^2 .

It is a cyclic number.

It is not a de Polignac number, because 37894669853 - 2² = 37894669849 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 (37894669873) 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, 45428 + ... + 279021.

It is an arithmetic number, because the mean of its divisors is an integer number (9473777775).

Almost surely, 2^37894669853 is an apocalyptic number.

It is an amenable number.

37894669853 is a deficient number, since it is larger than the sum of its proper divisors (441247).

37894669853 is a wasteful number, since it uses less digits than its factorization.

37894669853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441246.

The product of its digits is 235146240, while the sum is 68.

The spelling of 37894669853 in words is "thirty-seven billion, eight hundred ninety-four million, six hundred sixty-nine thousand, eight hundred fifty-three".