42192649 has 16 divisors (see below), whose sum is σ = 45650304. Its totient is φ = 38896000.

The previous prime is 42192637. The next prime is 42192653. The reversal of 42192649 is 94629124.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42192649 - 2¹⁷ = 42061577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42192679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95022 + ... + 95464.

It is an arithmetic number, because the mean of its divisors is an integer number (2853144).

Almost surely, 2^42192649 is an apocalyptic number.

It is an amenable number.

42192649 is a deficient number, since it is larger than the sum of its proper divisors (3457655).

42192649 is a wasteful number, since it uses less digits than its factorization.

42192649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608.

The product of its digits is 31104, while the sum is 37.

The square root of 42192649 is about 6495.5868864946. The cubic root of 42192649 is about 348.1333246357.

The spelling of 42192649 in words is "forty-two million, one hundred ninety-two thousand, six hundred forty-nine".