3449778955 has 32 divisors (see below), whose sum is σ = 4910653440. Its totient is φ = 2276346240.

The previous prime is 3449778887. The next prime is 3449778961. The reversal of 3449778955 is 5598779443.

It is a de Polignac number, because none of the positive numbers 2^k-3449778955 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3449778893 and 3449778902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 306070 + ... + 317140.

It is an arithmetic number, because the mean of its divisors is an integer number (153457920).

Almost surely, 2^3449778955 is an apocalyptic number.

3449778955 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3449778955 is a deficient number, since it is larger than the sum of its proper divisors (1460874485).

3449778955 is a wasteful number, since it uses less digits than its factorization.

3449778955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11419.

The product of its digits is 38102400, while the sum is 61.

The square root of 3449778955 is about 58734.8189322143. The cubic root of 3449778955 is about 1510.9975361172.

The spelling of 3449778955 in words is "three billion, four hundred forty-nine million, seven hundred seventy-eight thousand, nine hundred fifty-five".