2469969871 has 4 divisors (see below), whose sum is σ = 2486547000. Its totient is φ = 2453392744.

The previous prime is 2469969869. The next prime is 2469969881. The reversal of 2469969871 is 1789699642.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2469969871 - 2¹ = 2469969869 is a prime.

It is a super-2 number, since 2×2469969871² = 12201502327295513282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2469969841) 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, 8288341 + ... + 8288638.

It is an arithmetic number, because the mean of its divisors is an integer number (621636750).

Almost surely, 2^2469969871 is an apocalyptic number.

2469969871 is a deficient number, since it is larger than the sum of its proper divisors (16577129).

2469969871 is a wasteful number, since it uses less digits than its factorization.

2469969871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16577128.

The product of its digits is 11757312, while the sum is 61.

The square root of 2469969871 is about 49698.7914440583. The cubic root of 2469969871 is about 1351.7526155261.

The spelling of 2469969871 in words is "two billion, four hundred sixty-nine million, nine hundred sixty-nine thousand, eight hundred seventy-one".