42955464049 has 3 divisors (see below), whose sum is σ = 42955671307. Its totient is φ = 42955256792.

The previous prime is 42955464011. The next prime is 42955464103. The reversal of 42955464049 is 94046455924.

The square root of 42955464049 is 207257.

It is a perfect power (a square), and thus also a powerful number.

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 only one way, i.e., 29906514225 + 13048949824 = 172935^2 + 114232^2 .

It is not a de Polignac number, because 42955464049 - 2¹¹ = 42955462001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42955463987 and 42955464005.

It is not an unprimeable number, because it can be changed into a prime (42955564049) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 103629 + ... + 310885.

Almost surely, 2^42955464049 is an apocalyptic number.

42955464049 is the 207257-th square number.

42955464049 is the 103629-th centered octagonal number.

It is an amenable number.

42955464049 is a deficient number, since it is larger than the sum of its proper divisors (207258).

42955464049 is an frugal number, since it uses more digits than its factorization.

42955464049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414514 (or 207257 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 52.

The spelling of 42955464049 in words is "forty-two billion, nine hundred fifty-five million, four hundred sixty-four thousand, forty-nine".