69444949 has 16 divisors (see below), whose sum is σ = 84260736. Its totient is φ = 55872000.

The previous prime is 69444917. The next prime is 69444959. The reversal of 69444949 is 94944496.

It is a cyclic number.

It is not a de Polignac number, because 69444949 - 2⁵ = 69444917 is a prime.

It is a super-2 number, since 2×69444949² = 9645201883225202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69444959) 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, 71034 + ... + 72004.

It is an arithmetic number, because the mean of its divisors is an integer number (5266296).

Almost surely, 2^69444949 is an apocalyptic number.

It is an amenable number.

69444949 is a deficient number, since it is larger than the sum of its proper divisors (14815787).

69444949 is a wasteful number, since it uses less digits than its factorization.

69444949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596.

The product of its digits is 1119744, while the sum is 49.

The square root of 69444949 is about 8333.3636066117. The cubic root of 69444949 is about 411.0363411921.

The spelling of 69444949 in words is "sixty-nine million, four hundred forty-four thousand, nine hundred forty-nine".