190737449349 has 4 divisors (see below), whose sum is σ = 254316599136. Its totient is φ = 127158299564.

The previous prime is 190737449339. The next prime is 190737449381. The reversal of 190737449349 is 943944737091.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 190737449349 - 2²⁵ = 190703894917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190737449292 and 190737449301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190737449339) 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, 31789574889 + ... + 31789574894.

It is an arithmetic number, because the mean of its divisors is an integer number (63579149784).

Almost surely, 2^190737449349 is an apocalyptic number.

It is an amenable number.

190737449349 is a deficient number, since it is larger than the sum of its proper divisors (63579149787).

190737449349 is an equidigital number, since it uses as much as digits as its factorization.

190737449349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63579149786.

The product of its (nonzero) digits is 20575296, while the sum is 60.

The spelling of 190737449349 in words is "one hundred ninety billion, seven hundred thirty-seven million, four hundred forty-nine thousand, three hundred forty-nine".