3469989357 has 12 divisors (see below), whose sum is σ = 5307042780. Its totient is φ = 2177248128.

The previous prime is 3469989343. The next prime is 3469989359. The reversal of 3469989357 is 7539899643.

It can be written as a sum of positive squares in 2 ways, for example, as 3246606441 + 223382916 = 56979^2 + 14946^2 .

It is not a de Polignac number, because 3469989357 - 2¹⁴ = 3469972973 is a prime.

It is a super-2 number, since 2×3469989357² = 24081652275386546898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3469989294 and 3469989303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3469989359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11339682 + ... + 11339987.

It is an arithmetic number, because the mean of its divisors is an integer number (442253565).

Almost surely, 2^3469989357 is an apocalyptic number.

It is an amenable number.

3469989357 is a deficient number, since it is larger than the sum of its proper divisors (1837053423).

3469989357 is a wasteful number, since it uses less digits than its factorization.

3469989357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22679692 (or 22679689 counting only the distinct ones).

The product of its digits is 44089920, while the sum is 63.

The square root of 3469989357 is about 58906.6155622609. The cubic root of 3469989357 is about 1513.9425002608.

The spelling of 3469989357 in words is "three billion, four hundred sixty-nine million, nine hundred eighty-nine thousand, three hundred fifty-seven".