11690573437 has 8 divisors (see below), whose sum is σ = 11765326680. Its totient is φ = 11615903040.

The previous prime is 11690573429. The next prime is 11690573449. The reversal of 11690573437 is 73437509611.

It can be written as a sum of positive squares in 4 ways, for example, as 142706916 + 11547866521 = 11946^2 + 107461^2 .

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 11690573437 - 2³ = 11690573429 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 (11690523437) 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, 275887 + ... + 315427.

It is an arithmetic number, because the mean of its divisors is an integer number (1470665835).

Almost surely, 2^11690573437 is an apocalyptic number.

It is an amenable number.

11690573437 is a deficient number, since it is larger than the sum of its proper divisors (74753243).

11690573437 is a wasteful number, since it uses less digits than its factorization.

11690573437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41423.

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 11690573437 in words is "eleven billion, six hundred ninety million, five hundred seventy-three thousand, four hundred thirty-seven".